Bump version to 7.4.4

bachue · web-flow · commit 33ffb3b9f306 · 2020-08-20T11:50:08.000+08:00
diff --git a/README.md b/README.md
@@ -13,7 +13,7 @@
 通过 CocoaPods
 
 ```ruby
-pod "Qiniu", "~> 7.4.3" 
+pod "Qiniu", "~> 7.4.4" 
 ```
 
 ## 运行环境
