Release v3.8.3

[webknjaz]

What do these changes do?

This is a release preparation PR for v3.8.3.

Are there changes in behavior for the user?

This fixes inadequate multidict dependency boundaries via #6950 by @hugovk.

Changelog preview

https://aiohttp--6953.org.readthedocs.build/en/6953/changes.html#released-versions

Release workflow

https://github.com/aio-libs/aiohttp/actions/runs/3097876716

Publish job

https://github.com/aio-libs/aiohttp/actions/runs/3097876716/jobs/5016556175#step:9:2029

PyPI

https://pypi.org/project/aiohttp/3.8.3/

Checklist

• I think the code is well written
• Unit tests for the changes exist
• Documentation reflects the changes
• If you provide code modification, please add yourself to CONTRIBUTORS.txt
  • The format is <Name> <Surname>.
  • Please keep alphabetical order, the file is sorted by names.
• Add a new news fragment into the CHANGES folder
  • name it <issue_id>.<type> for example (588.bugfix)
  • if you don't have an issue_id change it to the pr id after creating the pr
  • ensure type is one of the following:
    • .feature: Signifying a new feature.
    • .bugfix: Signifying a bug fix.
    • .doc: Signifying a documentation improvement.
    • .removal: Signifying a deprecation or removal of public API.
    • .misc: A ticket has been closed, but it is not of interest to users.
  • Make sure to use full sentences with correct case and punctuation, for example: "Fix issue with non-ascii contents in doctest text files."

[codecov]

Codecov Report

Merging #6953 (30b7a4e) into 3.8 (50203c4) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##              3.8    #6953   +/-   ##
=======================================
  Coverage   97.39%   97.39%           
=======================================
  Files         107      107           
  Lines       30970    30970           
  Branches     3922     3922           
=======================================
  Hits        30162    30162           
  Misses        604      604           
  Partials      204      204           

Flag	Coverage Δ
CI-GHA	97.25% <100.00%> (ø)
OS-Linux	96.90% <100.00%> (-0.01%)	⬇️
OS-Windows	95.23% <ø> (+<0.01%)	⬆️
OS-macOS	96.64% <100.00%> (ø)
Py-3.10.6	96.43% <100.00%> (ø)
Py-3.10.7	96.55% <100.00%> (+<0.01%)	⬆️
Py-3.11.0-rc.2	96.21% <100.00%> (-0.05%)	⬇️
Py-3.6.15	96.37% <100.00%> (ø)
Py-3.6.8	94.75% <ø> (+<0.01%)	⬆️
Py-3.7.13	96.53% <100.00%> (-0.06%)	⬇️
Py-3.7.9	94.89% <ø> (ø)
Py-3.8.10	94.81% <ø> (+<0.01%)	⬆️
Py-3.8.13	96.49% <100.00%> (+0.05%)	⬆️
Py-3.9.13	96.73% <100.00%> (-0.05%)	⬇️
Py-3.9.14	96.23% <100.00%> (+<0.01%)	⬆️
Py-pypy7.3.9	96.06% <100.00%> (-0.01%)	⬇️
VM-macos	96.64% <100.00%> (ø)
VM-ubuntu	96.90% <100.00%> (-0.01%)	⬇️
VM-windows	95.23% <ø> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
aiohttp/__init__.py	100.00% <100.00%> (ø)

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[webknjaz]

So it's out:
https://github.com/aio-libs/aiohttp/actions/runs/3097876716/jobs/5016556175#step:9:2029.