Fix broken references in docs/whats_new_1_1.rst

[l1storez]

What do these changes do?

This change corrects multiple unrendered intersphinx class reference in the `whats_new_1_1.rst` document.

Are there changes in behavior for the user?

No

Related issue number

#5518

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."

[l1storez]

Is that fix right?
And where the mistake in ref :class:aiohttp.web.Request.url_for(name, **kwargs)? https://github.com/aio-libs/aiohttp/blame/d759a517dc876b546307460de01dbc71fce77845/docs/whats_new_1_1.rst#L35

[codecov]

Codecov Report

Merging #5741 (24a80e2) into master (034d847) will not change coverage.
The diff coverage is n/a.

❗ Current head 24a80e2 differs from pull request most recent head 4daeb2c. Consider uploading reports for the commit 4daeb2c to get more accurate results

@@           Coverage Diff           @@
##           master    #5741   +/-   ##
=======================================
  Coverage   97.17%   97.17%           
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  Files          41       41           
  Lines        8865     8865           
  Branches     1425     1425           
=======================================
  Hits         8615     8615           
  Misses        133      133           
  Partials      117      117           

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[webknjaz]

And where the mistake in ref :class:aiohttp.web.Request.url_for(name, **kwargs)? d759a51/docs/whats_new_1_1.rst#L35 (blame)

The syntax is invalid, it shouldn't contain (name, **kwargs).

[patchback]

Backport to 3.8: 💚 backport PR created

✅ Backport PR branch: patchback/backports/3.8/e6baf3d4d235d70bd4547791426f8ab80b3c9b68/pr-5741

Backported as #5770

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