Clean up workflow yaml

.github/workflows/docker-publish.yml

@@ -17,29 +17,14 @@ env:
   IMAGE_NAME: redsailtechnologies/psql-management
 
 jobs:
-  # Run tests.
-  # See also https://docs.docker.com/docker-hub/builds/automated-testing/
-  test:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Run tests
-        run: docker build . --file Dockerfile
-        working-directory: ./src
-
   # Push image to GitHub Packages.
   # See also https://docs.docker.com/docker-hub/builds/
   push:
-    # Ensure test job passes before pushing image.
-    needs: test
-
     runs-on: ubuntu-latest
     if: github.event_name == 'push'
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Build image
         run: docker build . --target release --file Dockerfile --tag $IMAGE_NAME