feat: update default max_recs to 5000

Author: anxkhn

config.toml

@@ -4,7 +4,7 @@ date_fmt = "%Y-%m-%d %H:%M:%S"
 lag_days = 2
 leetcode_graphql_url = "https://leetcode.com/graphql"
 llm_predictor = "ollama"
-max_recs = 2000
+max_recs = 5000
 n_api_retries = 3
 
 [parsing]