feat: update android target sdk to 34 (#902)

ui/flutter/android/app/build.gradle

@@ -48,7 +48,7 @@ android {
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-build-configuration.
         minSdkVersion 21
-        targetSdkVersion 29
+        targetSdkVersion 34
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
     }

ui/flutter/android/app/src/main/AndroidManifest.xml

@@ -7,6 +7,8 @@
     <uses-permission android:name="android.permission.READ_MEDIA_VIDEO" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="32" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" android:maxSdkVersion="32" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
 
     <application
@@ -91,7 +93,8 @@
         <!-- Add android:stopWithTask option only when necessary. -->
         <service 
             android:name="com.pravera.flutter_foreground_task.service.ForegroundService"
-            android:stopWithTask="true" />
+            android:foregroundServiceType="dataSync"
+            android:exported="false" />
 
         <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->