Update package versions in pubspec.yaml

Author: nohli

templates/dart/pubspec.yaml.twig

@@ -8,8 +8,8 @@ documentation: {{ spec.contactURL }}
 environment:
   sdk: '>=2.14.0 <3.0.0'
 dependencies:
-  http: ^0.13.4
+  http: ^0.13.5
 
 dev_dependencies:
-  test: ^1.16.8
-  lints: ^2.0.0
+  test: ^1.21.4
+  lints: ^2.0.0

templates/flutter/pubspec.yaml.twig

@@ -11,11 +11,11 @@ dependencies:
   flutter:
     sdk: flutter
   cookie_jar: ^3.0.1
-  device_info_plus: ^4.0.0
+  device_info_plus: ^4.0.1
   flutter_web_auth: ^0.4.1
-  http: ^0.13.4
-  package_info_plus: 1.4.2
-  path_provider: ^2.0.9
+  http: ^0.13.5
+  package_info_plus: 1.4.3
+  path_provider: ^2.0.11
   web_socket_channel: ^2.2.0
 
 dev_dependencies: