Build

Adds support to serialize and deserialize timestamps with different resolutions #1649

Job	Run time
Test (miri)	9m 37s
Type-check benchmarks	12s
Type checking (MSRV, no_std)	3m 32s
Test (Ubuntu, MSRV)	3m 29s
Type checking (MSRV, std_no_offset)	5m 8s
Test (Windows, MSRV)	4m 41s
Clippy	49s
Type checking (MSRV, std_with_offset)	4m 4s
Test (MacOS, MSRV)	5m 8s
Type checking (stable, no_std)	47s
Test (Ubuntu, stable)	47s
Type checking (stable, std_no_offset)	2m 32s
Cross-build	44s
Test (Windows, stable)	2m 22s
Type checking (stable, std_with_offset)	1m 25s
Test (MacOS, stable)	1m 34s
Documentation	24s
Formatting	13s
Coverage	53s
	48m 21s

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