added clippy workflow #428 (#429)

* added clippy workflow #428

* fixed action yaml to run clippy #428

* fixed indent

* fixed workflow

* fixed workflow error

* fixed indent

* changed no annotation #428

* adujusted annotation version

* fixed clippy::needless_match

* remove if let exception

* removed unnecessary permission check #428

src/detections/rule/mod.rs

@@ -92,10 +92,10 @@ impl RuleNode {
     }
     /// ルール内のAggregationParseInfo(Aggregation Condition)を取得する関数
     pub fn get_agg_condition(&self) -> Option<&AggregationParseInfo> {
-        match self.detection.aggregation_condition.as_ref() {
-            None => None,
-            Some(agg_parse_info) => Some(agg_parse_info),
+        if self.detection.aggregation_condition.as_ref().is_some() {
+            return self.detection.aggregation_condition.as_ref();
         }
+        None
     }
 }