fix(package): jar not packaged #553

Job	Run time
test-cargo	19s
test-cargo-all	28s
benchmark	3m 8s
test-linux-aarch64-gnu-binding (18)	7m 15s
test-linux-aarch64-gnu-binding (20)	4m 49s
test-linux-musl-binding (18)	2m 22s
test-linux-musl-binding (20)	2m 12s
test-npm (ubuntu-20.04, 18.x, x64, default)	1m 24s
test-npm (ubuntu-latest, 20.x, x64, all)	1m 54s
test-npm (windows-latest, 18.x, x64, default)	4m 12s
test-npm (windows-latest, 20.x, x64, all)	4m 49s
test-npm (windows-latest, 18.x, x86, default)	4m 8s
test-npm (windows-latest, 20.x, x86, default)	4m 7s
test-npm (macos-latest, 18.x, x64, default)	2m 31s
test-npm (macos-latest, 20.x, x64, all)	4m 42s
	48m 20s

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