fix: update cleanup regex to include checkpoint.parquet files

- closes delta-io#1420

rust/src/checkpoints.rs

@@ -205,7 +205,7 @@ pub async fn cleanup_expired_logs_for(
 ) -> Result<i32, DeltaTableError> {
     lazy_static! {
         static ref DELTA_LOG_REGEX: Regex =
-            Regex::new(r#"_delta_log/(\d{20})\.(json|checkpoint)*$"#).unwrap();
+            Regex::new(r#"_delta_log/(\d{20})\.(json|checkpoint).*$"#).unwrap();
     }
 
     let mut deleted_log_num = 0;