chore: Modernize project setup

Update dependencies, move to Gradle KTs and overall improve build and project files.

pubspec.yaml

@@ -1,14 +1,13 @@
 name: revanced_manager
-description: Patch your favorite apps, right on your device.
-homepage: https://github.com/ReVanced/revanced-manager
+description: "Application to use ReVanced on Android."
+homepage: https://revanced.app
 
 publish_to: 'none'
 
 version: 1.22.1-dev.2+101800040
 
 environment:
-  sdk: '>=3.0.0 <4.0.0'
-  flutter: '>=3.24.0 <4.0.0'
+  sdk: ^3.5.3
 
 dependencies:
   animations: ^2.0.11
@@ -17,7 +16,7 @@ dependencies:
   device_apps:
     git:
       url: https://github.com/ponces/flutter_plugin_device_apps
-      ref: 0609662324b9e00931fccfa87e9e1b00b7610907 # Branch: revanced-manager
+      ref: 0609662324b9e00931fccfa87e9e1b00b7610907
   device_info_plus: ^10.1.0
   dio: ^5.4.3+1
   dio_cache_interceptor: ^3.5.0
@@ -76,7 +75,7 @@ dependencies:
 dev_dependencies:
   analyzer: ^6.4.1
   build_runner: ^2.4.12
-  flutter_lints: ^4.0.0
+  flutter_lints: ^5.0.0
   injectable_generator: ^2.6.1
   json_serializable: ^6.8.0