add 'insiths' and 'permissions' to approved SingularNouns

Author: frankguodongchen

tools/StaticAnalysis/SignatureVerifier/CmdletSignatureMetadata.cs

@@ -155,8 +155,10 @@ private static List<string> GetApprovedVerbs()
             "InMinutes",
             "InMonths",
             "InSeconds",
+            "Insights",
             "Loss",
             "Mbps",
+            "Permissions",
             "Process",
             "Progress",
             "SaveAs",