chore(android): Bump version to 1.0.6 (#689)

## Summary
- Updates Android versionCode from 16 to 17
- Updates Android versionName from 1.0.5 to 1.0.6

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude Sonnet 4.5 <[email protected]>

Author: runningcode

android/app/build.gradle.kts

@@ -18,8 +18,8 @@ android {
     applicationId = "com.emergetools.hackernews"
     minSdk = 30
     targetSdk = 36
-    versionCode = 16
-    versionName = "1.0.5"
+    versionCode = 17
+    versionName = "1.0.6"
 
     testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     vectorDrawables {