dependabot python package: bump azure-identity from 1.17.1 to 1.18.0

Bumps [azure-identity](https://github.com/Azure/azure-sdk-for-python) from 1.17.1 to 1.18.0.
- [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_1.17.1...azure-identity_1.18.0)

---
updated-dependencies:
- dependency-name: azure-identity
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Pipfile

@@ -8,7 +8,7 @@ argparse = "=1.4.0"
 pytz = "=2024.2"
 python-dotenv = "=1.0.1"
 azure-mgmt-policyinsights = "=1.0.0"
-azure-identity = "=1.17.1"
+azure-identity = "=1.18.0"
 azure-mgmt-resource = "=23.1.1"
 azure-mgmt-resourcegraph = "=8.0.0"
 azure-core = "=1.31.0"