Rust

feat: add unseal_once for UnsealBox to improve security. #391

Job	Run time
unix-mysql-test (ubuntu-latest)	8m 41s
unix-default-test (ubuntu-latest)	22m 8s
windows-default-test (windows-latest)	21m 30s
unix-default-test (macos-latest)	32m 28s
unix-mysql-test (macos-latest)	8m 59s
windows-mysql-test (windows-latest)	19m 21s
unix-tongsuo-test (macos-latest)	13m 59s
unix-tongsuo-test (ubuntu-latest)	13m 32s
	2h 20m 38s

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