Implement a zero copy tzdb provider #2095

Job	Run time
Test feature matrix	11m 42s
Test FFI (stable, ubuntu-latest)	25s
MSRV	24s
Test (stable, windows-latest)	1m 22s
Lint	33s
Documentation	29s
Test (stable, ubuntu-latest)	27s
Test (stable, macos-latest)	32s
	15m 54s

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