Fix `f64` dec limit edge case (#678) #1044

Job	Run time
Check documentation	55s
Check minimum rust version	26s
Check file formatting and style	1m 15s
Dependency Tests (stable)	3m 23s
Fuzz Tests	1m 2s
Dependency Tests (beta)	3m 11s
Database Tests - MySQL (stable)	1m 15s
Database Tests - PostgreSQL (stable)	2m 58s
Database Tests - MySQL (beta)	1m 10s
Database Tests - PostgreSQL (beta)	2m 33s
Standard Tests (stable)	2m 33s
Standard Tests (beta)	2m 35s
Database Tests	1s
Test	1s
Pass	1s
	23m 19s

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