update example sdk version

lohanidamodar · lohanidamodar · commit e40c8e54f69b · 2023-02-28T08:41:34.000Z
diff --git a/templates/flutter/example/pubspec.yaml.twig b/templates/flutter/example/pubspec.yaml.twig
@@ -1,3 +1,3 @@
 name: {{ language.params.packageName }}_example
 environment:
-  sdk: '>=2.6.0 <3.0.0'
+  sdk: '>=2.17.0 <3.0.0'
