Bump multidict from 6.0.5 to 6.1.0 (#1144)

Bumps [multidict](https://github.com/aio-libs/multidict) from 6.0.5 to 6.1.0.
- [Release notes](https://github.com/aio-libs/multidict/releases)
- [Changelog](https://github.com/aio-libs/multidict/blob/master/CHANGES.rst)
- [Commits](aio-libs/multidict@v6.0.5...v6.1.0)

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

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

requirements/test.txt

@@ -1,7 +1,7 @@
 -r cython.txt
 covdefaults
 idna==3.8
-multidict==6.0.5
+multidict==6.1.0
 pytest==8.3.2
 pytest-cov>=2.3.1
 pytest-xdist