ci(default-bare): apt update before grub2 install

.github/workflows/default-bare.yml

@@ -55,6 +55,7 @@ jobs:
           { echo '[defaults]'; echo 'callbacks_enabled = profile_tasks, timer'; echo 'roles_path = ../'; echo 'ansible_python_interpreter: /usr/bin/python3'; } >> ansible.cfg
       - name: Add GRUB
         run: |
+          sudo apt-get update
           sudo apt-get install -y grub2
       - name: run test
         run: |