Bump serverless from 2.19.0 to 2.30.2

Bumps [serverless](https://github.com/serverless/serverless) from 2.19.0 to 2.30.2.
- [Release notes](https://github.com/serverless/serverless/releases)
- [Changelog](https://github.com/serverless/serverless/blob/master/CHANGELOG.md)
- [Commits](serverless/serverless@v2.19.0...v2.30.2)

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