Implement `SSL_session_reused` #95

Job	Run time
Clippy nightly (optional)	37s
Clang Tidy	11s
Clippy	27s
Build+test (stable, ubuntu-latest)	1m 15s
Build+test (beta, ubuntu-latest)	1m 21s
Check for documentation errors	1m 17s
Build+test (nightly, ubuntu-latest)	1m 15s
Format	5s
Miri	1m 10s
Valgrind	1m 13s
	8m 51s

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