Sims

Bump github.com/hashicorp/go-metrics from 0.5.3 to 0.5.4 #7469

Job	Run time
setup	12s
build-linux	3m 7s
go-test-single-db (nondeterminism, ubuntu-latest)	2m 49s
runsim (import-export, goleveldb, ubuntu-latest)	16m 11s
go-test-single-db (benchmark-invariants, ubuntu-latest)	3m 6s
go-test-multi-db (simple, goleveldb, ubuntu-latest)	3m 34s
runsim (multi-seed-short, goleveldb, ubuntu-latest)	17m 36s
go-test-multi-db (benchmark, goleveldb, ubuntu-latest)	3m 14s
runsim (after-import, goleveldb, ubuntu-latest)	19m 41s
	1h 9m 30s

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