Bump github.com/go-sql-driver/mysql from 1.8.0 to 1.8.1

Bumps [github.com/go-sql-driver/mysql](https://github.com/go-sql-driver/mysql) from 1.8.0 to 1.8.1.
- [Release notes](https://github.com/go-sql-driver/mysql/releases)
- [Changelog](https://github.com/go-sql-driver/mysql/blob/v1.8.1/CHANGELOG.md)
- [Commits](https://github.com/go-sql-driver/mysql/compare/v1.8.0...v1.8.1

)

---
updated-dependencies:
- dependency-name: github.com/go-sql-driver/mysql
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>