test: mark test-http2-large-file as flaky

Refs: #47409
PR-URL: #51549
Reviewed-By: Richard Lau <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Yagiz Nizipli <[email protected]>

Author: targos

test/sequential/sequential.status

@@ -10,6 +10,8 @@ test-cpu-prof-dir-worker: PASS, FLAKY
 # https://github.com/nodejs/node/issues/44898
 test-watch-mode: PASS, FLAKY
 test-watch-mode-inspect: PASS, FLAKY
+# https://github.com/nodejs/node/issues/47409
+test-http2-large-file: PASS, FLAKY
 
 [$system==win32]
 # https://github.com/nodejs/node/issues/47116