Update dependency com.github.curious-odd-man:rgxgen to v3

Author: renovate[bot]

build.gradle

@@ -198,7 +198,7 @@ dependencies {
   implementation group: 'org.apache.commons', name: 'commons-text', version: '1.15.0'
 
   //Generation
-  implementation group: 'com.github.curious-odd-man', name: 'rgxgen', version: '2.0'
+  implementation group: 'com.github.curious-odd-man', name: 'rgxgen', version: '3.1'
 
   // Documentation, logging
   implementation 'org.projectlombok:lombok:1.18.44'