Bump bumpalo from 3.14.0 to 3.15.0

Bumps [bumpalo](https://github.com/fitzgen/bumpalo) from 3.14.0 to 3.15.0.
- [Changelog](https://github.com/fitzgen/bumpalo/blob/main/CHANGELOG.md)
- [Commits](fitzgen/bumpalo@3.14.0...3.15.0)

---
updated-dependencies:
- dependency-name: bumpalo
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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