Bump microsoft/microsoft-graph from 1.109.1 to 2.20.0 in /graph-tutorial

Bumps [microsoft/microsoft-graph](https://github.com/microsoftgraph/msgraph-sdk-php) from 1.109.1 to 2.20.0.
- [Release notes](https://github.com/microsoftgraph/msgraph-sdk-php/releases)
- [Changelog](https://github.com/microsoftgraph/msgraph-sdk-php/blob/main/CHANGELOG.md)
- [Commits](microsoftgraph/msgraph-sdk-php@1.109.1...v2.20.0)

---
updated-dependencies:
- dependency-name: microsoft/microsoft-graph
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

graph-tutorial/composer.json

@@ -11,7 +11,7 @@
         "laravel/sanctum": "^3.0",
         "laravel/tinker": "^2.7",
         "league/oauth2-client": "^2.6",
-        "microsoft/microsoft-graph": "^1.73"
+        "microsoft/microsoft-graph": "^2.20"
     },
     "require-dev": {
         "fakerphp/faker": "^1.9.1",