test: mark test-repl-empty-maybelocal-crash flaky on freebsd

Refs: #42719
Signed-off-by: Darshan Sen <raisinten@gmail.com>

Author: RaisinTen

test/pummel/pummel.status

@@ -21,6 +21,8 @@ test-crypto-timing-safe-equal-benchmarks: PASS,FLAKY
 [$system==solaris] # Also applies to SmartOS
 
 [$system==freebsd]
+# https://github.com/nodejs/node/issues/42719
+test-repl-empty-maybelocal-crash: PASS, FLAKY
 
 [$system==aix]