upgrade packages

pubspec.lock

@@ -41,14 +41,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.17.2"
-  cupertino_icons:
-    dependency: "direct main"
-    description:
-      name: cupertino_icons
-      sha256: d57953e10f9f8327ce64a508a355f0b1ec902193f66288e8cb5070e7c47eeb2d
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.0.6"
   fake_async:
     dependency: transitive
     description:
@@ -74,10 +66,10 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      sha256: a25a15ebbdfc33ab1cd26c63a6ee519df92338a9c10f122adda92938253bef04
+      sha256: e2a421b7e59244faef694ba7b30562e489c2b489866e505074eb005cd7060db7
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.3"
+    version: "3.0.1"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -87,10 +79,10 @@ packages:
     dependency: transitive
     description:
       name: lints
-      sha256: "0a217c6c989d21039f1498c3ed9f3ed71b354e69873f13a8dfc3c9fe76f1b452"
+      sha256: cbf8d4b858bb0134ef3ef87841abdf8d63bfc255c266b7bf6b39daa1085c4290
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.1"
+    version: "3.0.0"
   matcher:
     dependency: transitive
     description:
@@ -183,10 +175,10 @@ packages:
     dependency: transitive
     description:
       name: plugin_platform_interface
-      sha256: da3fdfeccc4d4ff2da8f8c556704c08f912542c5fb3cf2233ed75372384a034d
+      sha256: f4f88d4a900933e7267e2b353594774fc0d07fb072b47eedcd5b54e1ea3269f8
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.6"
+    version: "2.1.7"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -276,10 +268,10 @@ packages:
     dependency: transitive
     description:
       name: win32
-      sha256: "350a11abd2d1d97e0cc7a28a81b781c08002aa2864d9e3f192ca0ffa18b06ed3"
+      sha256: "7c99c0e1e2fa190b48d25c81ca5e42036d5cac81430ef249027d97b0935c553f"
       url: "https://pub.dev"
     source: hosted
-    version: "5.0.9"
+    version: "5.1.0"
   xdg_directories:
     dependency: transitive
     description:

pubspec.yaml

 name: better_untis
 description: A new Flutter project.
-# The following line prevents the package from being accidentally published to
-# pub.dev using `flutter pub publish`. This is preferred for private packages.
-publish_to: 'none' # Remove this line if you wish to publish to pub.dev
+publish_to: none
 
 # The following defines the version and build number for your application.
 # A version number is three numbers separated by dots, like 1.2.43
@@ -19,22 +17,12 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 
 environment:
-  sdk: '>=3.1.0 <4.0.0'
+  sdk: ">=3.1.0 <4.0.0"
 
-# Dependencies specify other packages that your package needs in order to work.
-# To automatically upgrade your package dependencies to the latest versions
-# consider running `flutter pub upgrade --major-versions`. Alternatively,
-# dependencies can be manually updated by changing the version numbers below to
-# the latest version available on pub.dev. To see which dependencies have newer
-# versions available, run `flutter pub outdated`.
 dependencies:
   flutter:
     sdk: flutter
 
-
-  # The following adds the Cupertino Icons font to your application.
-  # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: ^1.0.2
   path_provider: ^2.1.1
   path: ^1.8.3
   text_search: ^1.0.1
@@ -43,51 +31,7 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
 
-  # The "flutter_lints" package below contains a set of recommended lints to
-  # encourage good coding practices. The lint set provided by the package is
-  # activated in the `analysis_options.yaml` file located at the root of your
-  # package. See that file for information about deactivating specific lint
-  # rules and activating additional ones.
-  flutter_lints: ^2.0.0
-
-# For information on the generic Dart part of this file, see the
-# following page: https://dart.dev/tools/pub/pubspec
+  flutter_lints: ^3.0.0
 
-# The following section is specific to Flutter packages.
 flutter:
-
-  # The following line ensures that the Material Icons font is
-  # included with your application, so that you can use the icons in
-  # the material Icons class.
   uses-material-design: true
-
-  # To add assets to your application, add an assets section, like this:
-  # assets:
-  #   - images/a_dot_burr.jpeg
-  #   - images/a_dot_ham.jpeg
-
-  # An image asset can refer to one or more resolution-specific "variants", see
-  # https://flutter.dev/assets-and-images/#resolution-aware
-
-  # For details regarding adding assets from package dependencies, see
-  # https://flutter.dev/assets-and-images/#from-packages
-
-  # To add custom fonts to your application, add a fonts section here,
-  # in this "flutter" section. Each entry in this list should have a
-  # "family" key with the font family name, and a "fonts" key with a
-  # list giving the asset and other descriptors for the font. For
-  # example:
-  # fonts:
-  #   - family: Schyler
-  #     fonts:
-  #       - asset: fonts/Schyler-Regular.ttf
-  #       - asset: fonts/Schyler-Italic.ttf
-  #         style: italic
-  #   - family: Trajan Pro
-  #     fonts:
-  #       - asset: fonts/TrajanPro.ttf
-  #       - asset: fonts/TrajanPro_Bold.ttf
-  #         weight: 700
-  #
-  # For details regarding fonts from package dependencies,
-  # see https://flutter.dev/custom-fonts/#from-packages