test: mark test-worker-prof as flaky on smartos

PR-URL: #56583
Reviewed-By: Matteo Collina <[email protected]>
Reviewed-By: Michaël Zasso <[email protected]>
Reviewed-By: James M Snell <[email protected]>

Author: joyeecheung

test/sequential/sequential.status

@@ -32,6 +32,7 @@ test-single-executable-application-empty: PASS, FLAKY
 test-http-server-request-timeouts-mixed: PASS, FLAKY
 
 [$system==solaris] # Also applies to SmartOS
+test-worker-prof: PASS, FLAKY
 
 [$system==freebsd]