Bump docker/build-push-action from v1 to v2.1.0
Bump docker/build-push-action from v1 to v2.1.0

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from v1 to v2.1.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/v1...6efc2b01cbb63cfc68c370c6c806586fa6384a3a)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
scalameta/scalafmt,scalameta/scalafmt,scalameta/scalafmt,scalameta/scalafmt