chore(deps): update docker/build-push-action action to v6.15.0 (#81)

Author: renovate[bot]

.github/workflows/docker-publish.yml

@@ -56,7 +56,7 @@ jobs:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
       - name: Build and push Docker image
         id: build-and-push
-        uses: docker/build-push-action@0adf9959216b96bec444f325f1e493d4aa344497 # v6.14.0
+        uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4 # v6.15.0
         with:
           context: .
           labels: ${{ steps.meta.outputs.labels }}