fix(android): push icon ring to home-screen visible edge (scale 0.65, v0.4.6)

Calibrated from a device home-screen screenshot: launcher3 crops less than the
App-info view, so the ring at 0.53 sat ~78% out. Scale 0.65 reaches the edge.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Android/app/build.gradle.kts

@@ -11,8 +11,8 @@ android {
         applicationId = "com.archipelago.app"
         minSdk = 26
         targetSdk = 35
-        versionCode = 9
-        versionName = "0.4.5"
+        versionCode = 10
+        versionName = "0.4.6"
 
         vectorDrawables {
             useSupportLibrary = true