Bump docker/build-push-action from 2 to 4 (#8416)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/operator-images.yaml

@@ -47,7 +47,7 @@ jobs:
          ( IFS=$','; echo "${TAGS[*]}" )
 
      - name: Build and publish image on quay.io
-       uses: docker/build-push-action@v2
+       uses: docker/build-push-action@v4
        with:
          context: ./operator
          push: true
@@ -85,7 +85,7 @@ jobs:
          ( IFS=$','; echo "${TAGS[*]}" )
 
      - name: Build and publish image on quay.io
-       uses: docker/build-push-action@v2
+       uses: docker/build-push-action@v4
        with:
          context: ./operator
          file: ./operator/bundle.Dockerfile
@@ -124,7 +124,7 @@ jobs:
          ( IFS=$','; echo "${TAGS[*]}" )
 
      - name: Build and publish image on quay.io
-       uses: docker/build-push-action@v2
+       uses: docker/build-push-action@v4
        with:
          context: ./operator
          file: ./operator/calculator.Dockerfile