Update version for 1.13 release

android/AndroidManifest.xml

@@ -3,8 +3,8 @@
 	xmlns:tools="http://schemas.android.com/tools"
     package="org.ppsspp.ppsspp"
     android:installLocation="auto"
-    android:versionCode="112030000"
-    android:versionName="1.12.3.0">
+    android:versionCode="113000000"
+    android:versionName="1.13.0.0">
     <!-- Note that versionCode should be in the format xyyzzrrrr. Example: 110030000 -->
     <!-- In this same case, versionName should be 1.10.3.0 -->
     <!-- Also note that we are overriding these values anyway from gradle. -->