Prepare release 7.0.0 #102

Job	Run time
Build and test on macos-latest with java	11m 5s
Build and test on ubuntu-latest with graalvm	12m 2s
Build and test on windows-latest with graalvm	12m 43s
Build and test on macos-latest with graalvm	10m 45s
Build and test on ubuntu-latest with java	11m 21s
Build and test on windows-latest with java	14m 28s
	1h 12m 24s

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