arranging dependency in alphabetical order

Author: lohanidamodar

templates/dart/pubspec.yaml.twig

@@ -8,8 +8,8 @@ documentation: {{ spec.contactURL }}
 environment:
   sdk: '>=2.6.0 <3.0.0'
 dependencies:
-  meta: ^1.1.8
   dio: ^3.0.10
+  meta: ^1.1.8
 
 dev_dependencies:
   test:

templates/flutter/pubspec.yaml.twig

@@ -8,16 +8,16 @@ documentation: {{ spec.contactURL }}
 environment:
   sdk: '>=2.6.0 <3.0.0'
 dependencies:
-  meta: ^1.1.8
-  path_provider: ^1.6.14
-  package_info_plus: ^0.6.3
-  dio: ^3.0.10
+  flutter:
+    sdk: flutter
   cookie_jar: ^1.0.1
+  dio: ^3.0.10
   dio_cookie_manager: ^1.0.0
   flutter_web_auth: ^0.2.4
+  meta: ^1.1.8
+  package_info_plus: ^0.6.3
+  path_provider: ^1.6.14
   universal_html: ^1.2.3
-  flutter:
-    sdk: flutter
 
 dev_dependencies:
   flutter_test: