chore(deps-dev): bump multidict from 6.7.1 to 6.9.1

Bumps [multidict](https://github.com/aio-libs/multidict) from 6.7.1 to 6.9.1.
- [Release notes](https://github.com/aio-libs/multidict/releases)
- [Changelog](https://github.com/aio-libs/multidict/blob/master/CHANGES.rst)
- [Commits](aio-libs/multidict@v6.7.1...v6.9.1)

---
updated-dependencies:
- dependency-name: multidict
  dependency-version: 6.9.1
  dependency-type: direct:development
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -42,7 +42,7 @@ microsoft-kiota-serialization-text==1.11.6
 msal==1.37.0
 msal-extensions==1.3.1
 msgraph-core==1.5.1
-multidict==6.7.1
+multidict==6.9.1
 mypy==2.2.0
 mypy-extensions==1.1.0
 opentelemetry-api==1.43.0