chore: bump version to 2.3.12 (#159)

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Co-authored-by: Claude <noreply@anthropic.com>

Author: graycreate

config.gradle

@@ -1,7 +1,7 @@
 ext {
     app = [
-            versionCode: 241,
-            versionName: "2.3.11"
+            versionCode: 242,
+            versionName: "2.3.12"
     ]
     android = [
             supportVersion: '26.1.0'