Bump retain_mut from 0.1.2 to 0.1.3 (#8951)

Bumps [retain_mut](https://github.com/upsuper/retain_mut) from 0.1.2 to 0.1.3.
- [Release notes](https://github.com/upsuper/retain_mut/releases)
- [Commits](https://github.com/upsuper/retain_mut/compare/v0.1.2...v0.1.3)

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

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