feat: add docker-compose.override.yaml to .gitignore (#15289)

.gitignore

@@ -183,6 +183,7 @@ docker/nginx/conf.d/default.conf
 docker/nginx/ssl/*
 !docker/nginx/ssl/.gitkeep
 docker/middleware.env
+docker/docker-compose.override.yaml
 
 sdks/python-client/build
 sdks/python-client/dist