Update browser compatibility versions in ZIP Package Guide

Author: Justin-dynamsoft

programming/javascript/user-guide/zip-guide.md

@@ -21,10 +21,10 @@ The following table is a list of supported browsers based on the above requireme
 
 | Browser Name |     Version      |
 | :----------: | :--------------: |
-|    Chrome    | v88+             |
-|   Firefox    | v89+             |
-|     Edge     | v88+             |
-|    Safari    | v15+             |
+|    Chrome    | v78+             |
+|   Firefox    | v68+             |
+|     Edge     | v79+             |
+|    Safari    | v14.5+           |
 
 Apart from the browsers, the operating systems may impose some limitations of their own that could restrict the use of the SDK.