update to identity 2.0.0-beta.4 (Azure#15686)

Author: beltr0n

sdk/communication/communication-identity/package.json

@@ -89,7 +89,7 @@
     "@azure/eslint-plugin-azure-sdk": "^3.0.0",
     "@azure/test-utils": "^1.0.0",
     "@azure/test-utils-recorder": "^1.0.0",
-    "@azure/identity": "2.0.0-beta.3",
+    "@azure/identity": "2.0.0-beta.4",
     "@microsoft/api-extractor": "7.7.11",
     "@rollup/plugin-commonjs": "11.0.2",
     "@rollup/plugin-json": "^4.0.0",

sdk/communication/communication-phone-numbers/package.json

@@ -77,7 +77,7 @@
     "@azure/eslint-plugin-azure-sdk": "^3.0.0",
     "@azure/test-utils": "^1.0.0",
     "@azure/test-utils-recorder": "^1.0.0",
-    "@azure/identity": "2.0.0-beta.3",
+    "@azure/identity": "2.0.0-beta.4",
     "@microsoft/api-extractor": "7.7.11",
     "@rollup/plugin-commonjs": "11.0.2",
     "@rollup/plugin-json": "^4.0.0",

sdk/communication/communication-sms/package.json

@@ -77,7 +77,7 @@
   "devDependencies": {
     "@azure/dev-tool": "^1.0.0",
     "@azure/eslint-plugin-azure-sdk": "^3.0.0",
-    "@azure/identity": "2.0.0-beta.3",
+    "@azure/identity": "2.0.0-beta.4",
     "@azure/test-utils": "^1.0.0",
     "@azure/test-utils-recorder": "^1.0.0",
     "@microsoft/api-extractor": "7.7.11",