Bump azure-identity from 1.13.0 to 1.16.1 in /metrics/notebooks (#287)

Bumps [azure-identity](https://github.com/Azure/azure-sdk-for-python) from 1.13.0 to 1.16.1.
- [Release notes](https://github.com/Azure/azure-sdk-for-python/releases)
- [Changelog](https://github.com/Azure/azure-sdk-for-python/blob/main/doc/esrp_release.md)
- [Commits](Azure/azure-sdk-for-python@azure-identity_1.13.0...azure-identity_1.16.1)

---
updated-dependencies:
- dependency-name: azure-identity
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

metrics/notebooks/requirements.txt

@@ -8,4 +8,4 @@ azure-core==1.27.0
 azure-cli-core==2.49.0
 azure-mgmt-compute==30.0.0
 azure-monitor-query==1.2.0
-azure-identity==1.13.0
+azure-identity==1.16.1