Pin actions to newer commits #912

Job	Run time
fossa-scan / Run fossa scan on repository	31s
build (ubuntu-latest, 3.9, latest)	11m 47s
build (ubuntu-22.04, 3.7, 8.1)	7m 36s
build (ubuntu-22.04, 3.7, latest)	12m 1s
build (ubuntu-latest, 3.13, 8.2)	7m 37s
build (ubuntu-latest, 3.13, latest)	11m 39s
build (ubuntu-latest, 3.9, 8.2)	7m 29s
build (ubuntu-latest, 3.9, 8.1)	7m 42s
build (ubuntu-22.04, 3.7, 8.2)	7m 38s
build (ubuntu-latest, 3.13, 8.1)	7m 36s
fossa-scan / Fetch fossa results	5m 28s
	1h 27m 4s

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