fix: update Flutter SDK version to ^3.8.0 and adjust dependencies for client and staff apps

mobile-apps/client-app/pubspec.lock

@@ -64,7 +64,7 @@ packages:
       sha256: "4916e0fe1cb782e315d0e1ebdd34170f1836a8f6e24cb528083671302b486ace"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.1"
+    version: "10.2.2"
   auto_route_generator:
     dependency: "direct dev"
     description:
@@ -72,7 +72,7 @@ packages:
       sha256: "4d78093dc102eef57c9d53e43454d735f1552039dc9c595ef8cfc7445d9017f2"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.1"
+    version: "10.2.6"
   bloc:
     dependency: transitive
     description:

mobile-apps/client-app/pubspec.yaml

@@ -5,7 +5,7 @@ publish_to: 'none'
 version: 1.0.36+116
 
 environment:
-  sdk: ^3.5.4
+  sdk: ^3.8.0
 
 dependencies:
   flutter: