[3.2] Misc. build and warning fixes to pass CI and compile with recent SCons and GCC/Clang #67805

	name: 📊 Static Checks
	on: [push, pull_request]

	jobs:
	static-checks:
	name: Static Checks (clang-format, black format, file format, documentation checks)
	runs-on: ubuntu-20.04
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	# Azure repositories are not reliable, we need to prevent Azure giving us packages.
	- name: Make apt sources.list use the default Ubuntu repositories
	run: \|
	sudo rm -f /etc/apt/sources.list.d/*
	sudo cp -f misc/ci/sources.list /etc/apt/sources.list
	sudo apt-get update

	- name: Install dependencies
	run: \|
	sudo apt-get install -qq dos2unix recode clang-format-10
	sudo update-alternatives --remove-all clang-format
	sudo update-alternatives --install /usr/bin/clang-format clang-format /usr/bin/clang-format-10 100
	sudo pip3 install black==20.8b1 pygments

	- name: File formatting checks (file_format.sh)
	run: \|
	bash ./misc/scripts/file_format.sh

	- name: Style checks via clang-format (clang_format.sh)
	run: \|
	bash ./misc/scripts/clang_format.sh

	- name: Python style checks via black (black_format.sh)
	run: \|
	bash ./misc/scripts/black_format.sh

	- name: Documentation checks
	run: \|
	doc/tools/makerst.py --dry-run doc/classes modules

Provide feedback