bump version for 1.15-r2

Author: PhilippC

src/keepass2android-app/Manifests/AndroidManifest_net.xml

@@ -16,8 +16,8 @@
    along with Keepass2Android.  If not, see <http://www.gnu.org/licenses/>.
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-      android:versionCode="247"
-      android:versionName="1.15-r1"
+      android:versionCode="250"
+      android:versionName="1.15-r2"
       package="keepass2android.keepass2android"
       xmlns:tools="http://schemas.android.com/tools"
       android:installLocation="auto">

src/keepass2android-app/Manifests/AndroidManifest_nonet.xml

@@ -16,8 +16,8 @@
    along with Keepass2Android.  If not, see <http://www.gnu.org/licenses/>.
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-      android:versionCode="247"
-      android:versionName="1.15-r1"
+      android:versionCode="250"
+      android:versionName="1.15-r2"
       package="keepass2android.keepass2android_nonet"
       xmlns:tools="http://schemas.android.com/tools"
       android:installLocation="auto">