prepare 5.6.0

CHANGELOG.md

@@ -3,6 +3,14 @@
 
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+# 5.6.0 (2021-02-27)
+
+### 新特性
+
+### Bug修复
+
+-------------------------------------------------------------------------------------------------------------
+
 # 5.5.9 (2021-02-26)
 
 ### 新特性