Upgrade GitHub Actions versions (#237)

* https://github.com/actions/checkout/releases
* https://github.com/actions/setup-python/releases

Author: cclauss

.github/workflows/ci.yml

@@ -8,18 +8,19 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: pipx install "poetry>=1.1.12,<2"
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
-          python-version-file: pyproject.toml
+          python-version: "3.11"
           cache: 'poetry'
       - run: pip install tox
       - run: tox -e lint,py311-dj42
   test_compatibility:
     needs: test
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         include:
           # Test with all supported Django versions, for all compatible Python versions.
@@ -39,9 +40,9 @@ jobs:
             # - python: "3.12"
             #   toxenv: py312-dj41
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: pipx install "poetry>=1.1.12,<2"
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
           allow-prereleases: true
@@ -53,12 +54,12 @@ jobs:
     needs: test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version-file: '.nvmrc'
       - id: node-cache
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           # Cache node_modules rather than the npm cache, as we rarely update npm packages.
           path: node_modules
@@ -86,8 +87,8 @@ jobs:
       - run: cat pyproject.toml | awk '{sub(/^version = .+/,"version = \"0.0.0.dev\"")}1' > pyproject.toml.tmp && mv pyproject.toml.tmp pyproject.toml
       - run: poetry build
       - run: mv dist site
-      - uses: actions/configure-pages@v3
-      - uses: actions/upload-pages-artifact@v2
+      - uses: actions/configure-pages@v4
+      - uses: actions/upload-pages-artifact@v3
         with:
           path: site
   deploy_site:
@@ -101,4 +102,4 @@ jobs:
       url: ${{ steps.deployment.outputs.page_url }}
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     steps:
-      - uses: actions/deploy-pages@v2
+      - uses: actions/deploy-pages@v4