Widen package_info_plus range (include 8.x)

pubspec.yaml

@@ -30,7 +30,7 @@ dependencies:
   intl: ">=0.16.0 <2.0.0" # whatever "sdk: flutter" depends on
   material_color_utilities: ">=0.1.2 <1.0.0"
   nanoid2: ^2.0.1
-  package_info_plus: ">=3.0.0 <8.0.0"
+  package_info_plus: ">=3.0.0 <9.0.0"
   path_provider: ">=2.0.0 <3.0.0"
   platform: ">=3.1.0 <5.0.0"
   shared_preferences: '>=2.0.0 <3.0.0'