Changes

#3905: Bump it.unimi.dsi:fastutil-core from 8.5.15 to 8.5.18

Bumps [it.unimi.dsi:fastutil-core](https://github.com/vigna/fastutil) from 8.5.15 to 8.5.18.
- [Changelog](https://github.com/vigna/fastutil/blob/master/CHANGES)
- [Commits](https://github.com/vigna/fastutil/commits)

---
updated-dependencies:
- dependency-name: it.unimi.dsi:fastutil-core
  dependency-version: 8.5.18
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
(commit: 3abeb47)