build(deps): bump mockall from 0.11.1 to 0.11.2 (MystenLabs#3575)

Bumps [mockall](https://github.com/asomers/mockall) from 0.11.1 to 0.11.2.
- [Release notes](https://github.com/asomers/mockall/releases)
- [Changelog](https://github.com/asomers/mockall/blob/master/CHANGELOG.md)
- [Commits](asomers/mockall@v0.11.1...v0.11.2)

---
updated-dependencies:
- dependency-name: mockall
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

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