[MNG-8176] Restrict classloader for Maven 4 plugins #6534

Job	Run time
build (ubuntu-latest)	1m 57s
build (windows-latest)	3m 54s
build (macOS-latest)	1m 55s
integration-test (ubuntu-latest, 17)	8m 28s
integration-test (ubuntu-latest, 21)	8m 14s
integration-test (windows-latest, 17)	13m 19s
integration-test (windows-latest, 21)	12m 35s
integration-test (macOS-latest, 17)	7m 0s
integration-test (macOS-latest, 21)	6m 25s
	1h 3m 47s

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