Ensure Upgrade in action

Baremetal jobs were failling because of dpkg failed to process
the grub-efi-amd64-signed package, according to some articles
online, we can avoid this problem by ensuring we have the latest
packages installed.

https://askubuntu.com/questions/1276111/error-upgrading-grub-efi-amd64-signed-special-device-old-ssd-does-not-exist
https://forum.hestiacp.com/t/ubuntu-20-04-installation-error/4323

Author: iurygregory

action.yaml

@@ -42,6 +42,9 @@ runs:
     - name: Remove unwanted packages
       run: sudo apt-get purge -y python3-simplejson python3-pyasn1-modules postgresql* || true
       shell: bash
+    - name: Ensure upgrade
+      run: sudo apt -y upgrade
+      shell: bash
     - name: Checkout Devstack
       uses: actions/checkout@v3
       with: