core: bump msgraph-sdk from 1.14.0 to 1.15.0 (#12403)

Bumps [msgraph-sdk](https://github.com/microsoftgraph/msgraph-sdk-python) from 1.14.0 to 1.15.0.
- [Release notes](https://github.com/microsoftgraph/msgraph-sdk-python/releases)
- [Changelog](https://github.com/microsoftgraph/msgraph-sdk-python/blob/main/CHANGELOG.md)
- [Commits](https://github.com/microsoftgraph/msgraph-sdk-python/compare/v1.14.0...v1.15.0)

---
updated-dependencies:
- dependency-name: msgraph-sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

poetry.lock

@@ -3107,13 +3107,13 @@ dev = ["bumpver", "isort", "mypy", "pylint", "pytest", "yapf"]
 
 [[package]]
 name = "msgraph-sdk"
-version = "1.14.0"
+version = "1.15.0"
 description = "The Microsoft Graph Python SDK"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "msgraph_sdk-1.14.0-py3-none-any.whl", hash = "sha256:1a2f327dc8fbe5a5e6d0d84cf71d605e7b118b3066b1e16f011ccd8fd927bb03"},
-    {file = "msgraph_sdk-1.14.0.tar.gz", hash = "sha256:5bbda80941c5d1794682753b8b291bd2ebed719a43d6de949fd0cd613b6dfbbd"},
+    {file = "msgraph_sdk-1.15.0-py3-none-any.whl", hash = "sha256:85332db7ee19eb3d65a2493de83994ce3f5e4d9a084b3643ff6dea797cda81a7"},
+    {file = "msgraph_sdk-1.15.0.tar.gz", hash = "sha256:c920e72cc9de2218f9f9f71682db22ea544d9b440a5f088892bfca686c546b91"},
 ]
 
 [package.dependencies]