fix: upgrade it.unimi.dsi:fastutil from 8.5.14 to 8.5.15

Snyk has created this PR to upgrade it.unimi.dsi:fastutil from 8.5.14 to 8.5.15.

See this package in maven:
it.unimi.dsi:fastutil

See this project in Snyk:
https://app.snyk.io/org/antonuden/project/50d1d966-3196-4bfa-bb8b-c38457eb707f?utm_source=github&utm_medium=referral&page=upgrade-pr

NovaCore-Spigot_v1_18_R2/pom.xml

@@ -239,7 +239,7 @@
 		<dependency>
 			<groupId>it.unimi.dsi</groupId>
 			<artifactId>fastutil</artifactId>
-			<version>8.5.14</version>
+			<version>8.5.15</version>
 			<scope>provided</scope>
 		</dependency>