Update iOS Simulator download step in workflow

Author: sbenedicadb

.github/workflows/ios-release.yml

@@ -133,7 +133,9 @@ jobs:
         xcode-version: ${{ inputs.xcode-version }}
 
     - name: Download iOS Simulator
-      run: xcodebuild -downloadPlatform iOS
+      run: |
+        xcrun simctl list > /dev/null
+        xcodebuild -downloadPlatform iOS      
 
     - name: Install Cocoapods
       run: gem install cocoapods