Update carbon-aware-deploy.yml

Author: dsubject

.github/workflows/carbon-aware-deploy.yml

@@ -37,7 +37,7 @@ jobs:
       - name: Scale Down Existing Machines
         run: |
           echo "Destroying existing machines..."
-          flyctl machines list -q | xargs -I {} flyctl machine destroy {} --force
+          flyctl machines list -q | awk '{gsub(/[^a-zA-Z0-9-]/,"")}1' | xargs -I {} flyctl machine destroy {} --force
         env:
           FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}