chore(deps): update docker/build-push-action digest to b32b51a (#951)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/docker--ghcr.yml

@@ -44,7 +44,7 @@ jobs:
             ${{ runner.os }}-buildx-${{ matrix.images }}-
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@48aba3b46d1b1fec4febb7c5d0c644b249a11355 # v6
+        uses: docker/build-push-action@b32b51a8eda65d6793cd0494a773d4f6bcef32dc # v6
         with:
           context: ./docker/${{ matrix.images }}
           push: true