chore(deps): bump requests-mock from 1.11.0 to 1.12.1 (#435)

Bumps [requests-mock](https://github.com/jamielennox/requests-mock) from 1.11.0 to 1.12.1.
- [Release notes](https://github.com/jamielennox/requests-mock/releases)
- [Commits](jamielennox/requests-mock@1.11.0...1.12.1)

---
updated-dependencies:
- dependency-name: requests-mock
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>