Bump itoa from 1.0.13 to 1.0.14

Bumps [itoa](https://github.com/dtolnay/itoa) from 1.0.13 to 1.0.14.
- [Release notes](https://github.com/dtolnay/itoa/releases)
- [Commits](dtolnay/itoa@1.0.13...1.0.14)

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

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