gitsubmodules: Bump .linters from 9a512fe to 174ed89

Bumps [.linters](https://github.com/salt-labs/linters) from `9a512fe` to `174ed89`.
- [Commits](salt-labs/linters@9a512fe...174ed89)

---
updated-dependencies:
- dependency-name: ".linters"
  dependency-type: direct:production
...

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