Bump pyyaml from 6.0.2 to 6.0.3 in /graph_tutorial

Bumps [pyyaml](https://github.com/yaml/pyyaml) from 6.0.2 to 6.0.3.
- [Release notes](https://github.com/yaml/pyyaml/releases)
- [Changelog](https://github.com/yaml/pyyaml/blob/6.0.3/CHANGES)
- [Commits](yaml/pyyaml@6.0.2...6.0.3)

---
updated-dependencies:
- dependency-name: pyyaml
  dependency-version: 6.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

graph_tutorial/requirements.txt

@@ -2,4 +2,4 @@ Django==5.2.1;python_version>"3.9"
 Django==4.2.20;python_version<="3.9"
 msal==1.32.3
 python-dateutil==2.9.0.post0
-PyYAML==6.0.2
+PyYAML==6.0.3