Merge pull request #20 from PDOK/PDOK-17406-upgrade-github-actions

Bump actions/cache from v2 to v4

Author: damienmulder

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

@@ -28,7 +28,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
       - name: Cache Docker layers
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-buildx-${{ github.sha }}