Bug fix in toString()

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

@@ -1046,6 +1046,7 @@ public class GHRepository extends GHObject {
      */
     @SuppressFBWarnings(value = "DMI_COLLECTION_OF_URLS", 
             justification = "It causes a performance degradation, but we have already exposed it to the API")
+    @SkipFromToString
     private final Set<URL> postCommitHooks = new AbstractSet<URL>() {
         private List<URL> getPostCommitHooks() {
             try {