CI: Upgrade unittest actions

.coveragerc

@@ -0,0 +1,2 @@
+[run]
+omit = */tests/*

.github/workflows/ci-lint.yml

@@ -21,7 +21,7 @@ on:
 jobs:
   lint:
     name: Python ${{ matrix.python }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
         python:
@@ -30,9 +30,9 @@ jobs:
           - 'x64'
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python }}
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
           architecture: ${{ matrix.arch }}

.github/workflows/ci-syntax-tests.yml

@@ -32,10 +32,8 @@ jobs:
             default_packages: st3
           - build: 4107
             default_packages: v4107
-          - build: latest
-            default_packages: master
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: SublimeText/syntax-test-action@v2
         with:
           build: ${{ matrix.build }}

.github/workflows/ci-unit-tests.yml

@@ -28,11 +28,11 @@ jobs:
       matrix:
         st-version: [3, 4]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: SublimeText/UnitTesting/actions/setup@v1
         with:
           sublime-text-version: ${{ matrix.st-version }}
       - uses: SublimeText/UnitTesting/actions/run-tests@v1
         with:
           coverage: true
-          codecov-upload: true
+      - uses: codecov/codecov-action@v4

.github/workflows/deploy-gh-pages.yml

@@ -14,11 +14,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: '3.8'
       - name: Install MkDocs