test: set test-performance-function as flaky

PR-URL: #54802
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matthew Aitken <maitken033380023@gmail.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>

Author: anonrig

test/parallel/parallel.status

@@ -34,6 +34,8 @@ test-worker-nearheaplimit-deadlock: PASS, FLAKY
 [$system==linux]
 # https://github.com/nodejs/node/issues/43465
 test-http-server-request-timeouts-mixed: PASS, FLAKY
+# https://github.com/nodejs/node/issues/54803
+test-performance-function: PASS, FLAKY
 
 [$system==linux || $system==win32]
 # https://github.com/nodejs/node/issues/49605