fix: upgrade io.netty:netty-all from 4.1.101.Final to 4.1.103.Final

Snyk has created this PR to upgrade io.netty:netty-all from 4.1.101.Final to 4.1.103.Final.

See this package in Maven Repository:
https://mvnrepository.com/artifact/io.netty/netty-all/

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

@@ -231,7 +231,7 @@
 		<dependency>
 			<groupId>io.netty</groupId>
 			<artifactId>netty-all</artifactId>
-			<version>4.1.101.Final</version>
+			<version>4.1.103.Final</version>
 			<scope>provided</scope>
 		</dependency>