fix: create .ssh dir in worker

.gitea/workflows/provision_configure.yaml

@@ -64,6 +64,7 @@ jobs:
       # Ansible
       - name: Set up SSH
         run: |
+          mkdir -p ~/.ssh
           echo "${{ secrets.AZURE_SSH_PRIVATE_KEY }}" > ~/.ssh/azure
           chmod 600 ~/.ssh/azure
           # echo "${{ secrets.SKYLAB_SSH_PRIVATE_KEY }}" > ~/.ssh/skylab