[PR #6843/f90cb195 backport][3.9] Add type Path on web app run

[webknjaz]

This is a backport of PR #6843 as merged into master (f90cb19).

(cherry picked from commit f90cb19)

What do these changes do?

I modify the web.py file and add Union[str,pathlib.Path] for path

Are there changes in behavior for the user?

For the option of path, we can have str or pathlib.path

Related issue number

#6839

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 #6957 (95305f9) into 3.9 (973fe93) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##              3.9    #6957   +/-   ##
=======================================
  Coverage   97.16%   97.16%           
=======================================
  Files         107      107           
  Lines       31197    31199    +2     
  Branches     3953     3953           
=======================================
+ Hits        30314    30316    +2     
  Misses        669      669           
  Partials      214      214           

Flag	Coverage Δ
CI-GHA	97.06% <100.00%> (+<0.01%)	⬆️
OS-Linux	96.73% <100.00%> (-0.01%)	⬇️
OS-Windows	94.36% <100.00%> (+<0.01%)	⬆️
OS-macOS	96.35% <100.00%> (+<0.01%)	⬆️
Py-3.10.6	96.44% <100.00%> (+<0.01%)	⬆️
Py-3.10.7	96.54% <100.00%> (-0.01%)	⬇️
Py-3.11.0-rc.2	96.22% <100.00%> (-0.05%)	⬇️
Py-3.7.13	96.54% <100.00%> (+<0.01%)	⬆️
Py-3.7.9	94.21% <100.00%> (+<0.01%)	⬆️
Py-3.8.10	94.13% <100.00%> (+<0.01%)	⬆️
Py-3.8.13	96.48% <100.00%> (-0.01%)	⬇️
Py-3.9.13	96.74% <100.00%> (-0.03%)	⬇️
Py-3.9.14	96.23% <100.00%> (-0.12%)	⬇️
Py-pypy7.3.9	96.07% <100.00%> (-0.01%)	⬇️
VM-macos	96.35% <100.00%> (+<0.01%)	⬆️
VM-ubuntu	96.73% <100.00%> (-0.01%)	⬇️
VM-windows	94.36% <100.00%> (+<0.01%)	⬆️

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

Impacted Files	Coverage Δ
aiohttp/web.py	99.15% <100.00%> (+<0.01%)	⬆️
aiohttp/web_runner.py	97.61% <100.00%> (+0.01%)	⬆️

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