fix: wrong subtract timestamp #9036

Job	Run time
doc tests	4m 51s
feature checks	4m 24s
clippy	2m 17s
fmt	19s
forge fmt	1m 47s
build matrices	4s
build tests (ubuntu-latest, x86_64-unknown-linux-gnu)	7m 51s
test unit	46s
test integration (1/3)	8m 21s
test integration (2/3)	4m 12s
test integration (3/3)	5m 58s
test integration/issue-repros (1/2)	4m 36s
test integration/issue-repros (2/2)	2m 47s
test integration/forge-std	3m 20s
test integration/external (1/2)	3m 30s
test integration/external (2/2)	2m 7s
	57m 10s

Provide feedback