auth: Upgrade to shared eng pkg

auth/.npmignore

@@ -14,3 +14,4 @@ test-results.xml
 .eslintignore
 .eslintrc.js
 *.tsbuildinfo
+eslint.config.mjs

auth/.vscode/settings.json

@@ -8,7 +8,8 @@
     "search.exclude": {
         "dist": true,
         "out": true,
-        "**/node_modules": true
+        "**/node_modules": true,
+        "**/.vscode-test": true,
     },
     "editor.codeActionsOnSave": {
         "source.fixAll.eslint": "explicit"

auth/eslint.config.mjs

@@ -0,0 +1,12 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See LICENSE.md in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { azExtEslintStrictTypeChecked, lazyImportAzurePackages } from '@microsoft/vscode-azext-eng/eslint'; // Other configurations exist
+import { defineConfig } from 'eslint/config';
+
+export default defineConfig([
+    azExtEslintStrictTypeChecked,
+    lazyImportAzurePackages,
+]);