feat: add Fastlane Google Play upload and fix onboarding re-renders

- Add Fastlane setup for uploading AAB to Google Play
- Chain upload into release:android npm script
- Fix onboarding re-renders from authStore subscriptions
- Reduce unnecessary authStore state updates in fetchUser
- Bump Android versionCode to 45

apps/mobile/android/app/build.gradle

@@ -91,7 +91,7 @@ android {
         applicationId 'com.sauci.app'
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
-        versionCode 44
+        versionCode 45
         versionName "1.0.5"
     }
     signingConfigs {