chore(deps): Bump multidict from 6.1.0 to 6.4.3

Bumps [multidict](https://github.com/aio-libs/multidict) from 6.1.0 to 6.4.3.
- [Release notes](https://github.com/aio-libs/multidict/releases)
- [Changelog](https://github.com/aio-libs/multidict/blob/master/CHANGES.rst)
- [Commits](https://github.com/aio-libs/multidict/compare/v6.1.0...v6.4.3)

---
updated-dependencies:
- dependency-name: multidict
  dependency-version: 6.4.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -8,7 +8,7 @@ charset-normalizer==3.4.2
 click==8.1.8
 frozenlist==1.5.0
 idna==3.10
-multidict==6.1.0
+multidict==6.4.3
 pillow==11.1.0
 propcache==0.3.1
 psutil==7.0.0