Bump @metamask/snaps-utils from 8.1.1 to 8.4.0 #1431

Job	Run time
Check workflows	6s
Build, lint, and test / Prepare	35s
Publish staging site / Publish main branch	0s
Publish staging site / Publish pull request / Publish staging site to GitHub Pages	7m 37s
Build, lint, and test / Build	9m 0s
Build, lint, and test / Lint	1m 12s
Build, lint, and test / Test (16.x)	1m 35s
Build, lint, and test / Test (18.x)	1m 23s
Build, lint, and test / Test (20.x)	1m 18s
Publish staging site / Comment on pull request with link to site	0s
All jobs completed	0s
All jobs pass	3s
is-release	0s
Publish release	0s
	22m 49s

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