update papermc repo

Author: HSGamer

pom.xml

@@ -29,7 +29,7 @@
     </repository>
     <repository>
       <id>papermc</id>
-      <url>https://papermc.io/repo/repository/maven-public/</url>
+      <url>https://repo.papermc.io/repository/maven-public/</url>
     </repository>
   </repositories>