Bump multidict from 6.5.0 to 6.5.1 (#1110)

Bumps [multidict](https://github.com/aio-libs/multidict) from 6.5.0 to 6.5.1.
- [Release notes](https://github.com/aio-libs/multidict/releases)
- [Changelog](https://github.com/aio-libs/multidict/blob/master/CHANGES.rst)
- [Commits](aio-libs/multidict@v6.5.0...v6.5.1)

---
updated-dependencies:
- dependency-name: multidict
  dependency-version: 6.5.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -3,7 +3,7 @@ aiohttp==3.12.13
 aiomcache==0.8.2
 cryptography==45.0.4
 docker==7.1.0
-multidict==6.5.0
+multidict==6.5.1
 pynacl==1.5.0
 pytest==8.3.5
 pytest-aiohttp==1.1.0