Tweak bukkit version to something we have in the repo

Author: NathanWolf

pom.xml

@@ -16,7 +16,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <version.java>16</version.java>
         <findbugs.version>1.3.9</findbugs.version>
-        <bukkit.version>1.16.5-R0.1-SNAPSHOT</bukkit.version>
+        <bukkit.version>1.16.1-R0.1-SNAPSHOT</bukkit.version>
     </properties>
 
     <modules>