Bump it.unimi.dsi:fastutil from 8.5.16 to 8.5.18 (#249)

Bumps [it.unimi.dsi:fastutil](https://github.com/vigna/fastutil) from 8.5.16 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
  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>

Author: dependabot[bot]

pom.xml

@@ -65,7 +65,7 @@
         <dependency>
             <groupId>it.unimi.dsi</groupId>
             <artifactId>fastutil</artifactId>
-            <version>8.5.16</version>
+            <version>8.5.18</version>
         </dependency>
     </dependencies>