fix(forge): update gradle-shadow-plugin version

Author: matrei

grails-forge/grails-forge-core/src/main/resources/pom.xml

@@ -62,7 +62,7 @@
         <dependency>
             <groupId>com.gradleup.shadow</groupId>
             <artifactId>shadow-gradle-plugin</artifactId>
-            <version>9.0.2</version>
+            <version>9.2.2</version>
         </dependency>
         <dependency>
             <groupId>com.github.erdi</groupId>