Add new milestone IDs to script for creating issues from release notes

scripts/issues-from-release-notes.py

@@ -25,14 +25,18 @@
 parser.add_argument("-r", "--release_notes", required=True,
     help="release notes file from which to create docs issues")
 parser.add_argument("-m", "--milestone", required=True,
-    help="milestone to assign to docs issues, e.g., 2.1, 2.0.x, 2.0")
+    help="milestone to assign to docs issues, e.g., 2.2, 2.1.x, 2.1")
 
 args = parser.parse_args()
 
 release_notes = args.release_notes
 milestone = args.milestone
 
 # Map milestones to their internal IDs.
+if milestone == "2.2":
+    milestone = 11
+if milestone == "2.1.x":
+    milestone = 12
 if milestone == "2.1":
     milestone = 8
 if milestone == "2.0.x":