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

@@ -4,7 +4,7 @@ verify_ssl = true
 name = "pypi"
 
 [packages]
-azure-identity = "=1.17.1"
+azure-identity = "=1.18.0"
 azure-keyvault-secrets = "=4.8.0"
 argparse = "=1.4.0"
 python-dotenv = "=1.0.1"