Bump azure-keyvault-secrets in /{{cookiecutter.project_slug}}

Bumps [azure-keyvault-secrets](https://github.com/Azure/azure-sdk-for-python) from 4.8.0 to 4.9.0.
- [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-keyvault-secrets_4.8.0...azure-keyvault-secrets_4.9.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

{{cookiecutter.project_slug}}/Pipfile

@@ -33,6 +33,6 @@ pipenv = "==2024.3.0"
 django-import-export = "==4.1.1"
 drf-spectacular = "~=0.28.0"
 dj-rest-auth = "==5.0.2"
-azure-keyvault-secrets = "~=4.8.0"
+azure-keyvault-secrets = "~=4.9.0"
 azure-identity = "~=1.17.1"
 azure-storage-blob = "==12.23.1"