Record skipped files in prometheus #2072

Job	Run time
Static Analysis	11s
Build package	10s
Build package	7s
Call ci unit tests workflow / Run tests (3.9)	1m 53s
Call ci unit tests workflow / Run tests (3.11)	1m 53s
Call ci unit tests workflow / Run tests (3.10)	2m 0s
	6m 14s

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