fix(forge): downgrade gradle-jrebel-plugin version

Not compatible with Gradle 8

Author: matrei

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

@@ -72,7 +72,7 @@
         <dependency>
             <groupId>org.zeroturnaround</groupId>
             <artifactId>gradle-jrebel-plugin</artifactId>
-            <version>1.2.2</version>
+            <version>1.2.1</version>
         </dependency>
     </dependencies>
 </project>