Bump site_prism from 5.0.3 to 5.0.4 #12009

Job	Run time
Build	5m 11s
Lint (rubocop)	1m 33s
Test (unit_models)	2m 39s
Lint (erblint)	1m 21s
Test (unit_services)	1m 52s
Lint (dfe_analytics)	51s
Test (unit_forms)	1m 9s
Lint (yarn_lint_and_test)	1m 7s
Test (unit_components)	1m 12s
Deployment To Review	0s
Test (unit_other)	1m 56s
Test (integration_auth)	1m 6s
Test (integration_find)	1m 27s
Test (integration_publish)	2m 25s
Test (integration_support)	1m 31s
Test (integration_other)	1m 17s
Parallel deployment before production	0s
Production deployment	0s
Sandbox deployment	0s
	26m 37s

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