feat: update to Go 1.22

.github/workflows/pr.yml

@@ -10,8 +10,8 @@ jobs:
     strategy:
       matrix:
         go-version:
-          - "1.20"
           - "1.21"
+          - "1.22"
     steps:
       - name: Set up Docker buildx
         uses: docker/setup-buildx-action@v3

.github/workflows/release.yml

@@ -9,16 +9,16 @@ on:
       - main
 
 env:
-  LATEST_GO_VERSION: "1.21"
+  LATEST_GO_VERSION: "1.22"
 
 jobs:
   build_and_upload_image:
     runs-on: ubuntu-latest
     strategy:
       matrix:
         go-version:
-          - "1.20"
           - "1.21"
+          - "1.22"
     steps:
       - name: Set up Docker buildx
         uses: docker/setup-buildx-action@v3

README.md

@@ -22,7 +22,7 @@ These development tools are preinstalled:
 // .devcontainer/devcontainer.json
 {
     "name": "My Go Codespace",
-    "image": "ghcr.io/ryboe/gocodespace:1.20",
+    "image": "ghcr.io/ryboe/gocodespace:1.22",
     // dlv needs these capabilities. It needs to run the ptrace (process trace)
     // syscall, and we need to disable the default seccomp profile applied to
     // docker containers.
@@ -69,5 +69,5 @@ docker builder create --driver docker-container --name mybuilder --use --bootstr
 #                              need to copy any files from this repo into the container. The only
 #                              thing we need is the Dockerfile, which we're passing by redirecting
 #                              it to stdin.
-docker image build --load --build-arg GO_VERSION=1.20 --platform linux/amd64 --tag mygocodespace - < Dockerfile
+docker image build --load --build-arg GO_VERSION=1.22 --platform linux/amd64 --tag mygocodespace - < Dockerfile
 ```