fix(web): exclude healthz test from Jest to fix CI failure #5504

Job	Run time
build-and-check	2m 28s
test-integration-packages/agent-runtime	40s
test-integration-packages/billing	1m 0s
test-integration-packages/internal	35s
test-packages/internal	49s
test-integration-web	41s
test-integration-common	42s
test-common	41s
test-packages/billing	39s
test-integration-cli	42s
test-web	41s
test-packages/agent-runtime	58s
test-.agents	37s
test-integration-sdk	46s
test-sdk	40s
test-cli	1m 10s
	13m 49s

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