build(deps): bump parking_lot_core from 0.9.11 to 0.9.12

Bumps [parking_lot_core](https://github.com/Amanieu/parking_lot) from 0.9.11 to 0.9.12.
- [Release notes](https://github.com/Amanieu/parking_lot/releases)
- [Changelog](https://github.com/Amanieu/parking_lot/blob/master/CHANGELOG.md)
- [Commits](Amanieu/parking_lot@parking_lot_core-v0.9.11...parking_lot_core-v0.9.12)

---
updated-dependencies:
- dependency-name: parking_lot_core
  dependency-version: 0.9.12
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]