CI: ensure that CI fails if there is a formatting error #15447

Job	Run time
python_test (ubuntu-22.04)	1m 54s
build_and_test (ubuntu-22.04, stable)	12m 59s
python_test (macos-11)	2m 12s
build_and_test (ubuntu-22.04, 1.73)	13m 19s
cpp_cmake (ubuntu-22.04)	7m 28s
cpp_test_driver (ubuntu-22.04)	7m 11s
python_test (windows-2022)	2m 6s
cpp_cmake (macos-12)	17m 13s
cpp_test_driver (macos-12)	5m 39s
cpp_cmake (windows-2022)	9m 24s
cpp_test_driver (windows-2022)	7m 26s
build_and_test (macos-11, stable)	25m 14s
ffi_32bit_build	1m 17s
mcu (pico-st7789, thumbv6m-none-eabi)	34s
build_and_test (windows-2022, stable)	13m 2s
mcu_esp	2m 34s
mcu (stm32h735g, thumbv7em-none-eabihf)	43s
build_and_test (windows-2022, 1.73)	12m 34s
node_test (ubuntu-22.04)	2m 56s
build_and_test (windows-2022, beta, --exclude ffmpeg --exclude gstreamer-player)	12m 47s
node_test (macos-11)	6m 10s
uefi-demo	34s
node_test (windows-2022)	4m 16s
android	1m 46s
esp-idf-quick	8m 46s
fmt_test	1m 40s
miri	39s
updater_test (0.3.0)	1m 39s
docs / docs	6m 32s
tree-sitter / tree-sitter-tests	10s
wasm / wasm	3m 48s
wasm_demo / wasm_demo	15m 37s
wasm / lint-slintpad	25s
wasm / build-slintpad	43s
cpp_package_test	2m 26s
	3h 33m 43s

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