Add latest release of actions and with a context

.github/workflows/docker-image-mariadb103-py38-mysqlclient201.yml

@@ -7,11 +7,12 @@ on:
       - main
       - lie_tests_using_containers
     paths:
-      - 'test-containers/mariadb103-py38-mysqlclient201/**'
+      - '${{ env.CONTEXT }}/**'
 
 env:
   REGISTRY: ghcr.io
-  IMAGE_NAME: mariadb103-py38-mysqlclient201
+  IMAGE_NAME: ${{ github.actor }}/test-container-mariadb103-py38-mysqlclient201
+  CONTEXT: test-containers/mariadb103-py38-mysqlclient201
 
 jobs:
 
@@ -39,31 +40,33 @@ jobs:
       #   with:
       #     cosign-release: 'v1.11.0'
 
-      # Login against a Docker registry
       # https://github.com/docker/login-action
       - name: Log into registry ${{ env.REGISTRY }}
-        uses: docker/login-action@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
+        uses: docker/login-action@v2
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      # Extract metadata (tags, labels) for Docker
       # https://github.com/docker/metadata-action
-      - name: Extract Docker metadata
+      - name: Extract Docker metadata (tags, labels)
         id: meta
-        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        uses: docker/metadata-action@v4
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
 
-      # Build and push Docker image with Buildx
+      # Setting up Docker Buildx with docker-container driver is required
+      # at the moment to be able to use a subdirectory with Git context
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
       # https://github.com/docker/build-push-action
-      - name: Build and push Docker image
+      - name: Build and push Docker image with Buildx
         id: build-and-push
-        uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a
+        uses: docker/build-push-action@v3
         with:
-          context: .
-          push: ${{ github.event_name == 'push' }}
+          context: ${{ env.CONTEXT }}
+          push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha