Merge pull request #205 from Bindambc/feature/meta-api-version-20

feat: #204 added support to meta api version v20.0

Author: Bindambc

src/main/java/com/whatsapp/api/configuration/ApiVersion.java

@@ -6,7 +6,8 @@ public enum ApiVersion {
     V16_0("v16.0"),
     V17_0("v17.0"),
     V18_0("v18.0"),
-    V19_0("v19.0");
+    V19_0("v19.0"),
+    V20_0("v20.0");