test: mark test-inspector-stop-profile-after-done flaky

This test is consistently failing and making CI red.

PR-URL: nodejs#18491
Refs: nodejs#16772
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

Author: MylesBorins

test/sequential/sequential.status

@@ -13,6 +13,7 @@ test-inspector-debug-end              : PASS, FLAKY
 test-inspector-async-hook-setup-at-signal:  PASS, FLAKY
 test-http2-ping-flood                 : PASS, FLAKY
 test-http2-settings-flood             : PASS, FLAKY
+test-inspector-stop-profile-after-done: PASS, FLAKY
 
 [$system==linux]