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

@@ -152,7 +152,7 @@ microsoft-kiota-http==1.13.0
 
 microsoft-kiota-serialization-json==1.13.0
 
-multidict==6.7.1 ; python_version >= '3.7'
+multidict==6.9.1 ; python_version >= '3.7'
 
 uritemplate==4.2.0 ; python_version >= '3.6'