Add a timeout in case posthog is holding up exit #5273

Job	Run time
build-and-check	2m 41s
test-integration-packages/agent-runtime	46s
test-.agents	46s
test-integration-sdk	38s
test-integration-cli	49s
test-common	38s
test-integration-web	42s
test-integration-packages/billing	39s
test-packages/agent-runtime	52s
test-packages/internal	58s
test-web	51s
test-sdk	50s
test-integration-.agents	39s
test-packages/billing	41s
test-cli	1m 17s
test-integration-common	39s
test-integration-packages/internal	42s
	15m 8s

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