telemetry: add metrics for iam credentials authentication

telemetry/definitions/commonDefinitions.json

@@ -3988,6 +3988,24 @@
                 }
             ]
         },
+        {
+            "name": "auth_iamLoginFailure",
+            "description": "Emitted when User submit IAM form but receives error",
+            "metadata": [
+                {
+                    "type": "credentialType",
+                    "required": true
+                },
+                {
+                    "type": "reason",
+                    "required": true
+                }
+            ]
+        },
+        {
+            "name": "auth_iamOptionClick",
+            "description": "Emitted when User click IAM login option from login webview"
+        },
         {
             "name": "auth_signInPageClosed",
             "description": "When the Amazon Q sign in page is closed.",