fix: build iOS fastlane installation

.github/workflows/build-mobile.yml

@@ -222,6 +222,7 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: '3.3'
+          bundler-cache: true
           working-directory: ./mobile/ios
 
       - name: Install CocoaPods dependencies
@@ -229,13 +230,6 @@ jobs:
         run: |
           pod install
 
-      - name: Install Fastlane
-        working-directory: ./mobile/ios
-        run: |
-          gem install bundler
-          bundle config set --local path 'vendor/bundle'
-          bundle install
-
       - name: Create API Key
         env:
           API_KEY_ID: ${{ secrets.APP_STORE_CONNECT_API_KEY_ID }}