fix: upgrade io.netty:netty-all from 4.1.102.Final to 4.1.103.Final

Snyk has created this PR to upgrade io.netty:netty-all from 4.1.102.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/db310280-2675-46f4-aed3-6b375531bc3b?utm_source=github&utm_medium=referral&page=upgrade-pr

NovaCore-Spigot_v1_18_R1/pom.xml

@@ -225,7 +225,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.1.102.Final</version>
+            <version>4.1.103.Final</version>
             <scope>provided</scope>
         </dependency>