fix mkddir

Author: williamchange

.github/workflows/ios.yml

@@ -32,7 +32,7 @@ jobs:
 
       - name: Export Godot Project for iOS
         run: |
-          mkdir -p build
+          mkdir -p ./build/ios
           ./godot/Godot.app/Contents/MacOS/Godot --headless --export-release "iOS" build/ios_project.zip
         continue-on-error: true