Update GP location

Author: Jikoo

pom.xml

@@ -48,7 +48,7 @@
             <scope>provided</scope>
         </dependency>
         <dependency>
-            <groupId>com.github.TechFortress</groupId>
+            <groupId>com.github.GriefPrevention</groupId>
             <artifactId>GriefPrevention</artifactId>
             <version>3562a238dd</version>
             <scope>provided</scope>