Update README.md (#412)

eoeefosa · wasabeef · web-flow · commit 2948ccd09876 · 2023-09-21T14:07:17.000+09:00
* Update README.md

flutter pub get depreciated 
"Dart run" is used instead

* Update README.md

---------

Co-authored-by: Daichi Furiya &lt;dadadada.chop@gmail.com&gt;
diff --git a/README.md b/README.md
@@ -92,8 +92,8 @@ flutter pub get
 
 3. Use [FlutterGen]
 
-```
-flutter packages pub run build_runner build
+```sh
+dart run build_runner build
 ```
 
 ## Usage
