chore(deps): update docker/build-push-action action to v6

Author: renovate[bot]

.github/workflows/image-generations.yml

@@ -36,7 +36,7 @@ jobs:
         run: echo "SHORT_SHA=${GITHUB_SHA::8}" >> $GITHUB_ENV
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: ./services/${{ matrix.app }}/Dockerfile