👷 Change how boostrap works again

Author: trickypr

.github/workflows/alpha.yml

@@ -314,8 +314,9 @@ jobs:
       - name: Bootstrap
         shell: cmd
         run: |
+          cd engine
           type nul > C:\script
-          echo cd ${{ env.engine }} >> C:\script
+          echo cd ${{ cd }} >> C:\script
           echo cd >> C:\script
           echo ls >> C:\script
           echo ./mach bootstrap --application-choice browser >> C:\script