test: set inspector async stack test as flaky

#50243
PR-URL: #50244
Refs: #50243
Reviewed-By: Filip Skokan <[email protected]>
Reviewed-By: Ruy Adorno <[email protected]>
Reviewed-By: Michael Dawson <[email protected]>

Author: anonrig

test/parallel/parallel.status

@@ -44,6 +44,8 @@ test-http-server-headers-timeout-keepalive: PASS,FLAKY
 test-http-server-request-timeout-keepalive: PASS,FLAKY
 # https://github.com/nodejs/node/issues/43465
 test-http-server-request-timeouts-mixed: PASS,FLAKY
+# https://github.com/nodejs/node/issues/50243
+test-inspector-async-stack-traces-set-interval: PASS, FLAKY
 
 [$arch==arm || $arch==arm64]
 # https://github.com/nodejs/node/pull/31178