Bump it.unimi.dsi:fastutil from 8.5.15 to 8.5.18 (#3422)

Author: dependabot[bot]

pom.xml

@@ -92,7 +92,7 @@
     <thrift-maven-plugin.version>0.10.0</thrift-maven-plugin.version>
     <thrift.version>0.22.0</thrift.version>
     <format.thrift.version>${thrift.version}</format.thrift.version>
-    <fastutil.version>8.5.15</fastutil.version>
+    <fastutil.version>8.5.18</fastutil.version>
     <semver.api.version>0.9.33</semver.api.version>
     <slf4j.version>1.7.33</slf4j.version>
     <avro.version>1.11.5</avro.version>