chore(release): bump versionName to 1.2.0-rc.2 (#204)

versionCode unchanged — Strimma is not on Google Play.

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: psjostrom

app/build.gradle.kts

@@ -39,7 +39,7 @@ android {
         minSdk = 33 // Only targets devices still receiving security updates — this is medical data
         targetSdk = 36
         versionCode = 2
-        versionName = "1.2.0-rc.1"
+        versionName = "1.2.0-rc.2"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {