Bump it.unimi.dsi:fastutil from 8.5.14 to 8.5.15 (#471)

Bumps [it.unimi.dsi:fastutil](https://github.com/vigna/fastutil) from 8.5.14 to 8.5.15.
- [Changelog](https://github.com/vigna/fastutil/blob/master/CHANGES)
- [Commits](vigna/fastutil@8.5.14...8.5.15)

---
updated-dependencies:
- dependency-name: it.unimi.dsi:fastutil
  dependency-version: 8.5.15
  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

@@ -119,7 +119,7 @@
     <guice.version>7.0.0</guice.version>
     <hamcrest.version>3.0</hamcrest.version>
     <hikari.version>6.3.0</hikari.version>
-    <fastutil.version>8.5.14</fastutil.version>
+    <fastutil.version>8.5.15</fastutil.version>
     <h2.version>2.3.232</h2.version>
     <jackson.version>2.19.0</jackson.version>
     <javassist.version>3.30.2-GA</javassist.version>