Re-enable `-Winvalid-format-specifier` for clang #156374

Job	Run time
twister-build-prep / prep_pr	3m 52s
twister-build-prep / prep_push	0s
twister-build (1)	34m 57s
twister-build (2)	32m 28s
twister-build (3)	34m 10s
twister-build (4)	41m 10s
twister-build (5)	28m 8s
twister-build (6)	24m 44s
twister-build (7)	31m 18s
Publish Unit Tests Results	26s
Check Twister Status / all jobs passed	1s
	3h 51m 14s

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