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

Author: renovate[bot]

.github/workflows/pull.yaml

@@ -27,7 +27,7 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.CR_PAT }}
       - name: Build image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: ./Dockerfile

.github/workflows/release.yaml

@@ -29,7 +29,7 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.CR_PAT }}
       - name: Build image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: ./Dockerfile