Bump me.hsgamer.bettergui:addon-parent from 3.0 to 3.1 (#46)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -7,7 +7,7 @@
   <parent>
     <groupId>me.hsgamer.bettergui</groupId>
     <artifactId>addon-parent</artifactId>
-    <version>3.0</version>
+    <version>3.1</version>
   </parent>
 
   <artifactId>ExampleAddon</artifactId>