Support latest rxdart version and align Dart SDK version

flutter_cache_manager/example/pubspec.yaml

@@ -3,21 +3,21 @@ description: A project that showcases usage of flutter_cache_manager
 publish_to: none
 version: 1.0.0+1
 environment:
-  sdk: '>=2.17.0 <4.0.0'
+  sdk: '>=3.0.0 <4.0.0'
 
 dependencies:
   baseflow_plugin_template: ^2.1.2
-  cupertino_icons: ^1.0.5
+  cupertino_icons: ^1.0.8
   flutter:
     sdk: flutter
   flutter_cache_manager:
     path: ../
-  url_launcher: ^6.1.10
+  url_launcher: ^6.2.1
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^2.0.1
+  flutter_lints: any
 
 flutter:
   uses-material-design: true

flutter_cache_manager/pubspec.yaml

@@ -6,24 +6,24 @@ topics:
   - cache
   - cache-manager
 environment:
-  sdk: '>=2.17.0 <4.0.0'
+  sdk: '>=3.0.0 <4.0.0'
 
 dependencies:
-  clock: ^1.1.0
-  collection: ^1.18.0
+  clock: ^1.1.1
+  collection: ^1.16.0
   file: ^7.0.0
   flutter:
     sdk: flutter
-  http: ^1.2.1
+  http: ^1.1.0
   path: ^1.9.0
-  path_provider: ^2.1.3
-  rxdart: ^0.27.7
-  sqflite: ^2.3.3
+  path_provider: ^2.1.2
+  rxdart: '>=0.27.7 <0.29.0'
+  sqflite: ^2.3.0
   uuid: ^4.4.0
 
 dev_dependencies:
-  build_runner: ^2.0.0
-  flutter_lints: ^3.0.2
+  build_runner: ^2.4.0
+  flutter_lints: any
   flutter_test:
     sdk: flutter
-  mockito: ^5.0.0
+  mockito: ^5.4.4

flutter_cache_manager_firebase/analysis_options.yaml

@@ -0,0 +1 @@
+include: package:flutter_lints/flutter.yaml

flutter_cache_manager_firebase/pubspec.yaml

@@ -4,16 +4,17 @@ version: 2.0.2
 homepage: https://github.com/Baseflow/flutter_cache_manager
 
 environment:
-  sdk: ">=2.12.0 <4.0.0"
+  sdk: ">=3.0.0 <4.0.0"
 
 dependencies:
   flutter:
     sdk: flutter
-  flutter_cache_manager: ^3.0.0
-  firebase_storage: ^11.7.4
-  path_provider: ^2.1.3
+  flutter_cache_manager: ^3.3.2
+  firebase_storage: '>=12.0.0'
+  path_provider: ^2.1.2
   path: ^1.9.0
 
 dev_dependencies:
+  flutter_lints: any
   flutter_test:
     sdk: flutter