test: mark test-pipe-file-to-http as flaky

PR-URL: #53751
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>

test/parallel/parallel.status

@@ -47,6 +47,8 @@ test-inspector-async-stack-traces-set-interval: PASS, FLAKY
 # https://github.com/nodejs/node/pull/31178
 test-crypto-dh-stateless: SKIP
 test-crypto-keygen: SKIP
+# https://github.com/nodejs/node/issues/52963
+test-pipe-file-to-http: PASS, FLAKY
 
 [$system==solaris] # Also applies to SmartOS
 # https://github.com/nodejs/node/issues/43457