Update webpowerpoint.json

build/configs/webpowerpoint.json

 {
     "info": {
-        "version": "3.7.0",
+        "version": "3.8.0",
         "build": 158
     },
     "update_src": {
@@ -207,4 +207,4 @@
             "compile_sdk"
         ]
     }
-}
\ No newline at end of file
+}