chore: updated publish package step to create the ~/.config/dart directory

Author: limcheekin

.github/workflows/publish-draft.yaml

@@ -35,6 +35,7 @@ jobs:
 
       - name: Publish package
         run: |
+          mkdir -p ~/.config/dart
           echo ${{ secrets.CREDENTIAL_JSON }} > ~/.config/dart/pub-credentials.json
           flutter pub publish --dry-run