[S2GRAPH-130]: Edge.propsWithTs data type should be changed into muta…

…ble to support setter interface exist in tp3.

JIRA:
  [S2GRAPH-130] https://issues.apache.org/jira/browse/S2GRAPH-130

Pull Request:
  Closes #100

Authors
  DO YUNG YOON: steamshon@apache.org

CHANGES

@@ -229,7 +229,9 @@ Release 0.1.0 - unreleased
     S2GRAPH-114: `MethodNotSupportedException` class in s2counter_core project miss license header (Committed by DOYUNG YOON).
 
     S2GRAPH-129: Restrict direct access on Edge's properties from other classes. (Committed by DOYUNG YOON).
-
+
+    S2GRAPH-130: Edge.propsWithTs data type should be changed into mutable to support setter interface exist in tp3 (Committed by DOYUNG YOON).
+
   TEST
 
     S2GRAPH-21: Change PostProcessBenchmarkSpec not to store and fetch test data from storage. (Committed by DOYUNG YOON).