chore(deps): bump multidict from 5.2.0 to 6.1.0

Bumps [multidict](https://github.com/aio-libs/multidict) from 5.2.0 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@v5.2.0...v6.1.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -21,7 +21,7 @@ itsdangerous==2.0.1; python_full_version >= "3.6.2" and python_version >= "3.6"
 jinja2==3.0.2; python_full_version >= "3.6.2" and python_version >= "3.6" and python_full_version < "4.0.0"
 markupsafe==3.0.2; python_full_version >= "3.6.1" and python_version >= "3.6"
 motor==2.5.1; python_version >= "3.7" and python_version < "4.0" and python_full_version >= "3.5.2"
-multidict==5.2.0; python_version >= "3.7" and python_version < "4.0"
+multidict==6.1.0; python_version >= "3.7" and python_version < "4.0"
 orjson==3.6.4; python_full_version >= "3.6.2" and python_version >= "3.7" and python_full_version < "4.0.0"
 passlib==1.7.4
 psutil==5.8.0; python_full_version >= "3.6.2" and python_full_version < "4.0.0"