CI: Documentation Build (HTML) is failing for many PRs (again)

[ajarmouni-st]

Describe the bug
Documentation Build (HTML) is failing in CI (ex: 73229)

Expected behavior
Build w/t errors

Impact
showstopper

Logs and console output

make: Entering directory '/home/runner/_work/zephyr/zephyr/doc'
make html DT_TURBO_MODE=1
make[1]: Entering directory '/home/runner/_work/zephyr/zephyr/doc'
cmake \
	-GNinja \
	-B_build \
	-S. \
	-DDOC_TAG=development \
	-DSPHINXOPTS="-j auto -W --keep-going -T" \
	-DSPHINXOPTS_EXTRA="-q -t publish" \
	-DLATEXMKOPTS="-halt-on-error -no-shell-escape" \
	-DDT_TURBO_MODE=1
Loading Zephyr module(s) (Zephyr repository): doc
-- Found Python3: /usr/bin/python3 (found suitable version "3.10.12", minimum required is "3.8") found components: Interpreter 
-- Cache files will be written to: /home/runner/.cache/zephyr
-- Found west (found suitable version "1.2.0", minimum required is "1.0.0")
-- Zephyr base: /home/runner/_work/zephyr/zephyr
-- Found Doxygen: /opt/doxygen-1.9.6/bin/doxygen (found version "1.9.6 (4586b5cfaa3d46d51f6a5188[29](https://github.com/zephyrproject-rtos/zephyr/actions/runs/9209546502/job/25334440605?pr=73229#step:9:30)51d15644c49edf)") found components: doxygen dot 
-- Could NOT find LATEX (missing: LATEX_COMPILER PDFLATEX) 
CMake Warning at CMakeLists.txt:39 (message):
  LaTeX components not found.  PDF build will not be available.


-- Configuring done
-- Generating done
-- Build files have been written to: /home/runner/_work/zephyr/zephyr/doc/_build
cmake --build _build --target html
[0/2] Generating Devicetree bindings documentation...
[1/2] Running Sphinx HTML build...
/home/runner/.local/lib/python3.10/site-packages/breathe/project.py:116: RemovedInSphinx80Warning: Sphinx 8 will drop support for representing paths as strings. Use "pathlib.Path" or "os.fspath" instead.
  self._default_build_dir = os.path.dirname(app.doctreedir.rstrip(os.sep))
WARNING: autodoc: failed to import class 'DeviceAdapter' from module 'twister_harness'; the following exception was raised:
No module named 'serial'
WARNING: autodoc: failed to import class 'Shell' from module 'twister_harness'; the following exception was raised:
No module named 'serial'
WARNING:root:Unused expression: .*Duplicate C declaration.*\n.*'\.\. c:.*:: zsock_fd_set'.*
FAILED: CMakeFiles/html 
cd /home/runner/_work/zephyr/zephyr/doc/_build && /home/runner/.local/lib/python3.10/site-packages/cmake/data/bin/cmake -E env DOXYGEN_EXECUTABLE=/opt/doxygen-1.9.6/bin/doxygen DOT_EXECUTABLE=/usr/bin/dot /home/runner/.local/bin/sphinx-build -b html -c /home/runner/_work/zephyr/zephyr/doc -d /home/runner/_work/zephyr/zephyr/doc/_build/doctrees -w /home/runner/_work/zephyr/zephyr/doc/_build/html.log -t development -j auto -W --keep-going -T -q -t publish /home/runner/_work/zephyr/zephyr/doc/_build/src /home/runner/_work/zephyr/zephyr/doc/_build/html
ninja: build stopped: subcommand failed.
make[1]: *** [Makefile:21: html] Error 1
make[1]: Leaving directory '/home/runner/_work/zephyr/zephyr/doc'
make: *** [Makefile:18: html-fast] Error 2
make: Leaving directory '/home/runner/_work/zephyr/zephyr/doc'
Error: Process completed with exit code 2.

Environment (please complete the following information):
CI

Additional context
N/A

[jukkar]

WARNING:root:Unused expression: .Duplicate C declaration.\n.'.. c:.:: zsock_fd_set'.*

I have fix for this in #73212

[aescolar]

@jukkar @ajarmouni-st Wasnt this fixed by 8c8e2f6 ?