Use engines.node as source of version data for "actions/setup-node" action

.github/workflows/check-markdown-task.yml

@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-markdown-task.md
 name: Check Markdown
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/using-workflows/events-that-trigger-workflows
 on:
   create:
@@ -74,7 +70,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Initialize markdownlint-cli problem matcher
         uses: xt0rted/markdownlint-problem-matcher@v3
@@ -100,7 +96,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2

.github/workflows/check-npm-task.yml

@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-npm-task.md
 name: Check npm
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/en/actions/reference/events-that-trigger-workflows
 on:
   push:
@@ -46,7 +42,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2
@@ -78,7 +74,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2

.github/workflows/check-prettier-formatting-task.yml

@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-prettier-formatting-task.md
 name: Check Prettier Formatting
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/using-workflows/events-that-trigger-workflows
 on:
   push:
@@ -216,7 +212,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2

.github/workflows/check-taskfiles.yml

@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-taskfiles.md
 name: Check Taskfiles
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/using-workflows/events-that-trigger-workflows
 on:
   push:
@@ -48,7 +44,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Download JSON schema for Taskfiles
         id: download-schema

.github/workflows/check-workflows-task.yml

@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/master/workflow-templates/check-workflows-task.md
 name: Check Workflows
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/using-workflows/events-that-trigger-workflows
 on:
   push:
@@ -36,7 +32,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2

.github/workflows/sync-labels-npm.yml

@@ -2,8 +2,6 @@
 name: Sync Labels
 
 env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
   CONFIGURATIONS_FOLDER: .github/label-configuration-files
   CONFIGURATIONS_ARTIFACT_PREFIX: label-configuration-file-
 
@@ -38,7 +36,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Download JSON schema for labels configuration file
         id: download-schema
@@ -133,7 +131,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Merge label configuration files
         run: |

Taskfile.yml

@@ -7,7 +7,7 @@
 vars:
   # Path of the primary npm-managed project:
   DEFAULT_NPM_PROJECT_PATH: ./
   # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/release-go-task/Taskfile.yml
   PROJECT_NAME: "arduinoOTA"
   DIST_DIR: "dist"
   # build vars
@@ -19,7 +19,7 @@
     sh: echo "{{now | date "20060102"}}"
   TAG:
     sh: echo "$(git tag --points-at=HEAD 2> /dev/null | head -n1)"
   VERSION: "{{if .NIGHTLY}}nightly-{{.TIMESTAMP_SHORT}}{{else if .TAG}}{{.TAG}}{{else}}{{.PACKAGE_NAME_PREFIX}}git-snapshot{{end}}"
   CONFIGURATION_PACKAGE: "github.com/arduino/arduinoOTA/version"
   LDFLAGS: >-
     -ldflags
@@ -32,10 +32,10 @@
   DEFAULT_GO_MODULE_PATH: ./
   DEFAULT_GO_PACKAGES:
     sh: |
       echo $(cd {{default .DEFAULT_GO_MODULE_PATH .GO_MODULE_PATH}} && go list ./... | tr '\n' ' ' || echo '"ERROR: Unable to discover Go packages"')
 
 tasks:
   # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-workflows-task/Taskfile.yml
   ci:validate:
     desc: Validate GitHub Actions workflows against their JSON schema
     vars:
@@ -68,7 +68,7 @@
     # This is an "umbrella" task used to call any documentation generation processes the project has.
     # It can be left empty if there are none.
 
   # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-general-formatting-task/Taskfile.yml
   general:check-formatting:
     desc: Check basic formatting style of all files
     cmds:
@@ -79,7 +79,7 @@
         fi
       - ec
 
   # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-prettier-formatting-task/Taskfile.yml
   general:format-prettier:
     desc: Format all supported files with Prettier
     deps:
@@ -87,7 +87,7 @@
     cmds:
       - npx prettier --write .
 
   # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-dependencies-task/Taskfile.yml
   general:cache-dep-licenses:
     desc: Cache dependency license metadata
     cmds:
@@ -299,10 +299,6 @@
         sh: task utility:mktemp-file TEMPLATE="stylelintrc-schema-XXXXXXXXXX.json"
       INSTANCE_PATH: >-
         {{default .DEFAULT_NPM_PROJECT_PATH .PROJECT_PATH}}/package.json
-      PROJECT_FOLDER:
-        sh: pwd
-      WORKING_FOLDER:
-        sh: task utility:mktemp-folder TEMPLATE="dependabot-validate-XXXXXXXXXX"
     cmds:
       - wget --quiet --output-document="{{.SCHEMA_PATH}}" {{.SCHEMA_URL}}
       - wget --quiet --output-document="{{.AVA_SCHEMA_PATH}}" {{.AVA_SCHEMA_URL}}

package.json

@@ -6,5 +6,8 @@
     "markdown-link-check": "^3.13.7",
     "markdownlint-cli": "^0.37.0",
     "prettier": "^3.5.3"
+  },
+  "engines": {
+    "node": "16.x"
   }
 }