chore(mobile): enable ai button feature flag for canary only (#12377)

<!-- This is an auto-generated comment: release notes by coderabbit.ai -->

## Summary by CodeRabbit

- **Chores**
  - Updated Apollo iOS dependency to version 1.21.0 and removed the SQLite.swift dependency in the iOS app workspace.
- **New Features**
  - The "Enable Mobile AI Button" feature flag is now configurable only for mobile canary builds.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/frontend/core/src/modules/feature-flag/constant.ts

@@ -249,7 +249,7 @@ export const AFFINE_FLAGS = {
     category: 'affine',
     displayName: 'Enable AI Button',
     description: 'Enable AI Button on mobile',
-    configurable: BUILD_CONFIG.isMobileEdition,
+    configurable: BUILD_CONFIG.isMobileEdition && isCanaryBuild,
     defaultState: false,
   },
   enable_turbo_renderer: {