[fixes #3248] Add support for jakarta generated annotation

test/transform/resource/after-ecj/GeneratedOn.java

@@ -0,0 +1,9 @@
+class GeneratedOn {
+  @lombok.Getter int x;
+  GeneratedOn() {
+    super();
+  }
+  public @java.lang.SuppressWarnings("all") @javax.annotation.Generated("lombok") int getX() {
+    return this.x;
+  }
+}