Refactoring.

Co-authored-by: Adriano Santos <solid.sistemas@gmail.com>

Author: h3nrique

src/main/java/io/eigr/spawn/api/actors/Value.java

@@ -88,7 +88,7 @@ public ResponseType getType() {
         return type;
     }
 
-    public Value response(Object value) {
+    public <R extends GeneratedMessageV3> Value response(R value) {
         this.response = value;
         return this;
     }