test: mark test-repl-sigint-nested-eval as flaky

Refs: nodejs#41123

- This is one of the remaining high occurance flaky
  tests from the reliability reports and recent
  failures in the CI. Mark as flaky until issue
  is resolved under referenced issue.

Signed-off-by: Michael Dawson <mdawson@devrus.com>

test/parallel/parallel.status

@@ -5,6 +5,8 @@ prefix parallel
 # sample-test                        : PASS,FLAKY
 
 [true] # This section applies to all platforms
+# https://github.com/nodejs/node/issues/41123
+test-repl-sigint-nested-eval: PASS, FLAKY
 
 [$system==win32]
 # https://github.com/nodejs/node/issues/24497