Update auth package (#4114)

Author: bwateratmsft

package-lock.json

@@ -3003,7 +3003,7 @@
         "@azure/storage-blob": "^12.14.0",
         "@microsoft/compose-language-service": "^0.2.0",
         "@microsoft/vscode-azext-azureappservice": "~2.0",
-        "@microsoft/vscode-azext-azureauth": "^1.1.2",
+        "@microsoft/vscode-azext-azureauth": "^1.2.1",
         "@microsoft/vscode-azext-azureutils": "^2.0.0",
         "@microsoft/vscode-azext-utils": "^2.1.1",
         "@microsoft/vscode-container-client": "^0.1.0",