test: mark test-worker-prof as Flaky on ARM

PR-URL: nodejs#26557
Refs: nodejs#26401
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

test/parallel/parallel.status

@@ -24,6 +24,8 @@ test-worker-memory: PASS,FLAKY
 [$arch==arm || $arch==arm64]
 # https://github.com/nodejs/node/issues/25028
 test-cli-node-options: PASS,FLAKY
+# https://github.com/nodejs/node/issues/26401
+test-worker-prof: PASS,FLAKY
 
 [$system==solaris] # Also applies to SmartOS