bump up version

Cuizi7 · Cuizi7 · commit 546cf76143c8 · 2021-09-15T11:30:53.000+08:00
diff --git a/setup.cfg b/setup.cfg
@@ -5,7 +5,7 @@
 
 [metadata]
 name = rqalpha
-version = 4.5.1
+version = 4.5.2
 
 [versioneer]
 VCS = git
