Deprecate GHRepository#getIssues() (#2129)

GHRepository#getIssues() has poor performance for large response sets and works against the best usage patterns.   Deprecated in favor of #queryIssues().

Closes #2128

Author: bitwiseman

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

@@ -1603,7 +1603,9 @@ public GHIssueEvent getIssueEvent(long id) throws IOException {
      * @return the issues
      * @throws IOException
      *             the io exception
+     * @deprecated Use {@link #queryIssues()} instead.
      */
+    @Deprecated
     public List<GHIssue> getIssues(GHIssueState state) throws IOException {
         return queryIssues().state(state).list().toList();
     }
@@ -1618,7 +1620,9 @@ public List<GHIssue> getIssues(GHIssueState state) throws IOException {
      * @return the issues
      * @throws IOException
      *             the io exception
+     * @deprecated Use {@link #queryIssues()} instead.
      */
+    @Deprecated
     public List<GHIssue> getIssues(GHIssueState state, GHMilestone milestone) throws IOException {
         return queryIssues().milestone(milestone == null ? "none" : "" + milestone.getNumber())
                 .state(state)