Bump docker/metadata-action from 5 to 6 (#178)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Moritz Clasmeier <111092021+mclasmeier@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/build-roxie-image.yml

@@ -50,7 +50,7 @@ jobs:
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: type=raw,value=${{ steps.build-meta.outputs.version }}

.github/workflows/docker-build.yml

@@ -51,7 +51,7 @@ jobs:
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |