upped concurrent s3 requests to speed up cc-index download

pipeline/01_cc_index/query.sh

@@ -118,6 +118,7 @@ if [ -d "$LOCAL_INDEX" ] && [ "$(ls -A "$LOCAL_INDEX"/*.parquet 2>/dev/null)" ];
 else
     echo "Downloading CC-Index parquet files..."
     mkdir -p "$LOCAL_INDEX"
+    aws configure set default.s3.max_concurrent_requests 50
     aws s3 sync "$S3_PATH" "$LOCAL_INDEX/" --quiet
     echo "Downloaded $(ls "$LOCAL_INDEX"/*.parquet | wc -l) parquet files"
 fi