Tests

Support for plugins #1125

Job	Run time
graalvm-build	5m 27s
unit-test (windows-latest, 24)	1m 32s
unit-test (macos-latest, 24)	2m 24s
jvm-integration-test (windows-latest, 24)	5m 24s
jvm-integration-test (macos-latest, 24)	5m 49s
jvm-integration-test (ubuntu-24.04, 24)	2m 39s
unit-test (ubuntu-24.04, 24)	42s
nix-build	0s
graalvm-integration-test	58s
	24m 55s

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