Bump quanta from 0.12.5 to 0.12.6

Bumps [quanta](https://github.com/metrics-rs/quanta) from 0.12.5 to 0.12.6.
- [Changelog](https://github.com/metrics-rs/quanta/blob/main/CHANGELOG.md)
- [Commits](metrics-rs/quanta@v0.12.5...v0.12.6)

---
updated-dependencies:
- dependency-name: quanta
  dependency-version: 0.12.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]