build(deps): bump xxhash-rust from 0.8.14 to 0.8.15

Bumps [xxhash-rust](https://github.com/DoumanAsh/xxhash-rust) from 0.8.14 to 0.8.15.
- [Commits](https://github.com/DoumanAsh/xxhash-rust/commits)

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

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