Update thiserror requirement from 1.0.2 to 2.0.4 #684

Job	Run time
Rustfmt	12s
Check All Features (stable)	15s
Check (stable)	20s
Check All Features (1.63.0)	55s
Check semver compatibility	25s
Check (1.63.0)	51s
Check All Features (nightly)	22s
Check (nightly)	19s
Clippy	33s
Test Suite	21s
Build documentation	21s
Test suite (with features) (--no-default-features)	25s
Test suite (with features) (--features=default)	26s
Test suite (with features) (--all-features)	29s
Test suite (with features) (--features=verify)	27s
Test suite (with features) (--features=validate)	26s
	7m 7s

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