docs: Update readme (#243)

Author: leviem1

README.md

@@ -44,7 +44,8 @@ Here's a list of the PaperMC versions and the versions of this latest compatible
 
 | PaperMC | ExamplePlugin |
 |---------|---------------|
-| 1.21.4  | 4.0.4+        |        
+| 1.21.5  | 4.0.8+        |
+| 1.21.4  | 4.0.7         |        
 | 1.21.3  | 4.0.3         |
 | 1.21.1  | 4.0.2         |
 | 1.21    | 3.12.1        |