GHA/checkdocs: re-enable proselint, update setup, fix issues found

- update configuration and invocation.
- install via pip.
- drop a file exception.
- alpha sort proselint settings.
- FILEFORMAT: update text about XML compliance.
- CI job takes 22 seconds total.

Ref: https://github.com/amperser/proselint/releases/tag/v0.16.0

Follow-up to 38bfe1c2aa #15314

Closes #19931
This commit is contained in:
Viktor Szakats 2025-12-11 02:46:24 +01:00
parent 8ff5222b4e
commit 46429d6f44
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10 changed files with 68 additions and 67 deletions

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@ -0,0 +1,5 @@
# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
#
# SPDX-License-Identifier: curl
proselint==0.16.0