feat(anta): Limit concurrency #3420

Job	Run time
file-changes	3s
Check typing	2m 14s
check-requirements (3.9)	28s
Check the code style	1m 27s
check-requirements (3.10)	31s
check-requirements (3.11)	28s
check-requirements (3.12)	30s
check-requirements (3.13)	32s
Pytest across all supported python versions (3.9)	48s
Pytest on 3.12 for windows	1m 54s
Pytest across all supported python versions (3.10)	50s
Pytest across all supported python versions (3.11)	1m 3s
Pytest across all supported python versions (3.12)	1m 6s
Pytest across all supported python versions (3.13)	55s
Build offline documentation for testing	30s
Benchmark ANTA for Python 3.12	5m 43s
	19m 2s

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