Ripple: add two new versions and disable AutoUpdateMode

AutoUpdateMode: Tags fails because checkupdates needs to be able to parse
the versionCode, and it is set dynamically in app/build.gradle based on the
git commit count.

metadata/info.guardianproject.ripple.yml

@@ -39,7 +39,21 @@ Builds:
     gradle:
       - yes
 
-AutoUpdateMode: Version %v
-UpdateCheckMode: Tags
-CurrentVersion: '0.1'
-CurrentVersionCode: 2
+  - versionName: 0.2.3
+    versionCode: 87
+    commit: 0.2.3
+    subdir: app
+    gradle:
+      - yes
+
+  - versionName: 0.2.4
+    versionCode: 104
+    commit: 0.2.4
+    subdir: app
+    gradle:
+      - yes
+
+AutoUpdateMode: None
+UpdateCheckMode: None
+CurrentVersion: 0.2.4
+CurrentVersionCode: 104