Build

Adds support to serialize and deserialize timestamps with different resolutions #1650

Job	Run time
Test (miri)	7m 43s
Clippy	1m 15s
Cross-build	52s
Type-check benchmarks	18s
Type checking (MSRV, no_std)	3m 41s
Documentation	26s
Type checking (MSRV, std_no_offset)	5m 16s
Formatting	12s
Type checking (MSRV, std_with_offset)	4m 9s
Test (Ubuntu, MSRV)	3m 31s
Type checking (stable, no_std)	47s
Test (Windows, MSRV)	4m 57s
Coverage	55s
Type checking (stable, std_no_offset)	2m 41s
Test (MacOS, MSRV)	6m 50s
Test (Ubuntu, stable)	53s
Type checking (stable, std_with_offset)	1m 20s
Test (Windows, stable)	1m 26s
Test (MacOS, stable)	1m 22s
	48m 34s

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