Bump docker/build-push-action from 3 to 6

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 3 to 6.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v3...v6)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
     - name: Build and push
-      uses: docker/build-push-action@v3
+      uses: docker/build-push-action@v6
       with:
         file: ./manylinux2014_x86_64/Dockerfile
         push: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
@@ -35,7 +35,7 @@ jobs:
     - name: Setup QEMU
       uses: docker/setup-qemu-action@v2
     - name: Build and push
-      uses: docker/build-push-action@v3
+      uses: docker/build-push-action@v6
       with:
         file: ./manylinux2014_aarch64/Dockerfile
         platforms: linux/arm64