Update multidict to 3.1.3

[pyup-bot]

There's a new version of multidict available.
You are currently using 3.1.1. I have updated it to 3.1.3

These links might come in handy: PyPI | Changelog | Repo | Docs

Changelog

3.1.3

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• Fix build

3.1.2

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• Fix type annotations

Got merge conflicts? Close this PR and delete the branch. I'll create a new PR for you.

Happy merging! 🤖

[codecov-io]

Codecov Report

Merging #2093 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2093   +/-   ##
=======================================
  Coverage   97.08%   97.08%           
=======================================
  Files          38       38           
  Lines        7689     7689           
  Branches     1344     1344           
=======================================
  Hits         7465     7465           
  Misses        102      102           
  Partials      122      122

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