Bump microsoft/microsoft-graph in /graph-tutorial

Bumps [microsoft/microsoft-graph](https://github.com/microsoftgraph/msgraph-sdk-php) from 1.109.0 to 1.109.1.
- [Release notes](https://github.com/microsoftgraph/msgraph-sdk-php/releases)
- [Commits](microsoftgraph/msgraph-sdk-php@1.109.0...1.109.1)

---
updated-dependencies:
- dependency-name: microsoft/microsoft-graph
  dependency-type: direct:production
...

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

Author: dependabot[bot]