build: Ignore format checks when downstreaming #369

Job	Run time
code-format	41s
check_vvl	1m 50s
linux (thread sanitizer, release, custom_hash_map ON )	24m 15s
linux (address sanitizer, release, custom_hash_map ON )	34m 1s
Ubuntu Backcompat	14m 26s
linux (undefined behavior sanitizer, debug)	26m 44s
linux (address sanitizer, release, custom_hash_map OFF )	32m 31s
mingw	21m 19s
windows (amd64)	12m 15s
windows (amd64_x86)	12m 26s
	3h 0m 28s

Provide feedback