Fix visibility of getters in GHRequestedAction

Author: yrodiere

src/main/java/org/kohsuke/github/GHRequestedAction.java

@@ -33,7 +33,7 @@ GHRequestedAction wrap(GHRepository owner) {
      *
      * @return the identifier
      */
-    String getIdentifier() {
+    public String getIdentifier() {
         return identifier;
     }
 
@@ -42,7 +42,7 @@ String getIdentifier() {
      *
      * @return the label
      */
-    String getLabel() {
+    public String getLabel() {
         return label;
     }
 
@@ -51,7 +51,7 @@ String getLabel() {
      *
      * @return the description
      */
-    String getDescription() {
+    public String getDescription() {
         return description;
     }