build(deps-dev): bump @azure/identity from 3.3.2 to 4.0.0 (#1565)

Bumps [@azure/identity](https://github.com/Azure/azure-sdk-for-js) from 3.3.2 to 4.0.0.
- [Release notes](https://github.com/Azure/azure-sdk-for-js/releases)
- [Changelog](https://github.com/Azure/azure-sdk-for-js/blob/main/documentation/Changelog-for-next-generation.md)
- [Commits](https://github.com/Azure/azure-sdk-for-js/compare/@azure/identity_3.3.2...@azure/identity_4.0.0)

---
updated-dependencies:
- dependency-name: "@azure/identity"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Author: dependabot[bot]

package-lock.json

@@ -86,7 +86,7 @@
         "tslib": "^2.2.0"
     },
     "devDependencies": {
-        "@azure/identity": "^3.0.0",
+        "@azure/identity": "^4.0.0",
         "@azure/msal-browser": "^2.15.0",
         "@babel/core": "^7.12.10",
         "@babel/plugin-transform-runtime": "^7.12.10",