[cosmos] use TokenCredential from core-auth instead of identity (Azure#14245)

* [cosmos] use TokenCredential from core-auth instead of identity

* [cosmos] update cosmos.api.md file

Author: chradek

sdk/cosmosdb/cosmos/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Release History
 
+## 3.10.3 (Unreleased)
+
+- BUGFIX: Removes direct dependency on @azure/identity while retaining compatibility.
+
 ## 3.10.2 (2021-03-11)
 
 - BUGFIX: Fixes @azure/identity dependency in dev deps.

sdk/cosmosdb/cosmos/package.json

@@ -87,7 +87,6 @@
   },
   "dependencies": {
     "@azure/core-auth": "^1.2.0",
-    "@azure/identity": "^1.1.0",
     "debug": "^4.1.1",
     "fast-json-stable-stringify": "^2.0.0",
     "jsbi": "^3.1.3",
@@ -102,6 +101,7 @@
   "devDependencies": {
     "@azure/dev-tool": "^1.0.0",
     "@azure/eslint-plugin-azure-sdk": "^3.0.0",
+    "@azure/identity": "^1.1.0",
     "@microsoft/api-extractor": "7.7.11",
     "@rollup/plugin-json": "^4.0.0",
     "@rollup/plugin-multi-entry": "^3.0.0",

sdk/cosmosdb/cosmos/review/cosmos.api.md

@@ -4,7 +4,7 @@
 
 ```ts
 
-import { TokenCredential } from '@azure/identity';
+import { TokenCredential } from '@azure/core-auth';
 
 // @public (undocumented)
 export interface Agent {

sdk/cosmosdb/cosmos/src/CosmosClientOptions.ts

@@ -1,6 +1,6 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
-import { TokenCredential } from "@azure/identity";
+import { TokenCredential } from "@azure/core-auth";
 import { TokenProvider } from "./auth";
 import { PermissionDefinition } from "./client";
 import { ConnectionPolicy, ConsistencyLevel } from "./documents";