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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -78,7 +78,7 @@ jobs:
           echo "${IMAGE}" >> $GITHUB_STEP_SUMMARY
 
       - name: Build and push docker image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: ./Dockerfile