Enforce towncrier requirements for docs to fix CI

[edgarrmondragon]

What do these changes do?

Enforce towncrier requirements for docs to fix the RTD build:

• Incompatible with Towncrier 24.7 sphinx-contrib/sphinxcontrib-towncrier#92
• Enforce towncrier requirements for docs to fix CI yarl#1052

Are there changes in behavior for the user?

No

Related issue number

Checklist

• I think the code is well written
• Unit tests for the changes exist
• Documentation reflects the changes
• If you provide code modifications, please add yourself to CONTRIBUTORS.txt
  • The format is <Name> <Surname>.
  • Please keep the list in alphabetical order, the file is sorted by name.
• 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."

[bdraco]

This is effectively the same change we just had to do for yarl 👍

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.28%. Comparing base (267b8a2) to head (44ed211).
Report is 1 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (267b8a2) and HEAD (44ed211). Click for more details.

HEAD has 515 uploads less than BASE

Flag	BASE (267b8a2)	HEAD (44ed211)
OS-macOS	34	5
VM-macos	34	5
Py-3.11.9	27	4
CI-GHA	151	24
Py-3.10.11	13	2
OS-Linux	87	13
VM-ubuntu	87	13
Py-3.10.14	14	2
Py-3.12.3	27	0
Py-3.9.13	12	2
Py-3.8.18	14	2
OS-Windows	30	5
VM-windows	30	5
Py-3.9.19	13	2
Py-3.8.10	13	2
Py-pypy7.3.16	12	2
Py-pypy7.3.11	6	1

Additional details and impacted files

@@             Coverage Diff              @@
##            master     #596       +/-   ##
============================================
- Coverage   100.00%   75.28%   -24.72%     
============================================
  Files            3       12        +9     
  Lines          333      878      +545     
  Branches        24       60       +36     
============================================
+ Hits           333      661      +328     
- Misses           0      181      +181     
- Partials         0       36       +36     

Flag	Coverage Δ
CI-GHA	75.05% <ø> (-24.35%)	⬇️
MyPy	60.18% <ø> (?)
OS-Linux	99.39% <ø> (ø)
OS-Windows	99.22% <ø> (ø)
OS-macOS	98.83% <ø> (ø)
Py-3.10.11	98.06% <ø> (ø)
Py-3.10.14	98.19% <ø> (ø)
Py-3.11.9	98.19% <ø> (ø)
Py-3.12.3	?
Py-3.12.4	98.19% <ø> (?)
Py-3.8.10	98.83% <ø> (ø)
Py-3.8.18	98.79% <ø> (ø)
Py-3.9.13	98.06% <ø> (ø)
Py-3.9.19	98.19% <ø> (ø)
Py-pypy7.3.11	97.67% <ø> (ø)
Py-pypy7.3.16	96.89% <ø> (ø)
VM-macos	98.83% <ø> (ø)
VM-ubuntu	99.39% <ø> (ø)
VM-windows	99.22% <ø> (ø)

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