Bug/fixed permission not requested android 10 (#150)

* Added  android:requestLegacyExternalStorage=true to manifest

* Up pubspec version code for android build

mobile/android/app/src/main/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="app.alextran.immich">
-  <application android:label="Immich" android:name="${applicationName}" android:usesCleartextTraffic="true" android:icon="@mipmap/ic_launcher">
+  <application android:label="Immich" android:name="${applicationName}" android:usesCleartextTraffic="true" android:icon="@mipmap/ic_launcher" android:requestLegacyExternalStorage="true">
     <activity android:name=".MainActivity" android:exported="true" android:launchMode="singleTop" android:theme="@style/LaunchTheme" android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode" android:hardwareAccelerated="true" android:windowSoftInputMode="adjustResize">
       <!-- Specifies an Android theme to apply to this Activity as soon as
                  the Android process has started. This theme is visible to the user

mobile/android/fastlane/metadata/android/en-US/changelogs/14.txt

@@ -0,0 +1 @@
+* Hotfix: Permission is being requested now when open backup screen on Android10

mobile/pubspec.yaml

@@ -2,7 +2,7 @@ name: immich_mobile
 description: Immich - selfhosted backup media file on mobile phone
 
 publish_to: "none"
-version: 1.9.0+13
+version: 1.9.1+14
 
 environment:
   sdk: ">=2.15.1 <3.0.0"