Update .gitignore

Co-authored-by: cubic-dev-ai[bot] <191113872+cubic-dev-ai[bot]@users.noreply.github.com>

Author: ilayu-blip

.gitignore

@@ -311,4 +311,4 @@ samples/client/petstore/ocaml-recursion-test/_build/
 samples/client/jetbrains/adyen/checkout71/http/client/Apis/http-client.private.env.json
 
 # Generated by the run-in-docker.sh
-?/
+\?/