Tests

ci: drop testing of jdk8 on macos #359

Job	Run time
test-ubuntu-graalvm-native	1m 50s
test-ubuntu-temurin@8	36s
test-ubuntu-graalvm-community-native	1m 22s
test-windows-temurin@8	1m 24s
test-macOS-graalvm-native	1m 39s
test-ubuntu-temurin@11	34s
test-macOS-graalvm-community-native	1m 21s
test-macOS-temurin@11	1m 3s
test-windows-graalvm-native	2m 38s
test-windows-temurin@11	1m 29s
test-windows-graalvm-community-native	2m 4s
test-ubuntu-temurin@17	37s
test-macOS-temurin@17	1m 2s
test-windows-temurin@17	1m 17s
	18m 56s

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