build: update version

Change-Id: I7e229ddfc3d2faace141cc15d2f3a3adb6482eb3
diff --git a/ring-android/app/build.gradle b/ring-android/app/build.gradle
index 44265d9..40e2265 100644
--- a/ring-android/app/build.gradle
+++ b/ring-android/app/build.gradle
@@ -9,8 +9,8 @@
     defaultConfig {
         minSdkVersion 21
         targetSdkVersion 30
-        versionCode 273
-        versionName "20201130-01"
+        versionCode 274
+        versionName "20201130-02"
     }
     sourceSets {
         main {