Updated GitHub repository.

Added support for MC `1.21.11`.
Removed PacketEvents from shaded jar.
UStats now REQUIRES the PacketEvents plugin installed to run.
Updated `plugin.yml`.
Updated `LatencyManager.java`.
Changed plugin version to `1.0.4`.
Changed plugin API version to `1.0.4`.

Author: Loving11ish

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>me.loving11ish</groupId>
     <artifactId>UStats-API</artifactId>
-    <version>1.0.3</version>
+    <version>1.0.4</version>
     <packaging>jar</packaging>
 
     <name>UStats-API</name>