Bump to version 2.0.3

Update webmock requirement from ~> 3.5.1 to ~> 3.6.2 (#9)

Updates the requirements on [webmock](https://github.com/bblimke/webmock) to permit the latest version.
- [Release notes](https://github.com/bblimke/webmock/releases)
- [Changelog](https://github.com/bblimke/webmock/blob/master/CHANGELOG.md)
- [Commits](bblimke/webmock@v3.5.1...v3.6.2)

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

Bump to version 2.0.2