Merge pull request #9 from PDOK/revert-to-actionscachev2-for-testing

Revert actions/cache to v2 for automatic upgrade testing

Author: damienmulder

.github/workflows/build-and-publish-image.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
       - name: Cache Docker layers
-        uses: actions/cache@v3
+        uses: actions/cache@v2
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-buildx-${{ github.sha }}
@@ -64,4 +64,4 @@ jobs:
               }]
             }
         env:
-          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}