Update last-seen for dhcp devices

[aranajuan]

Proposed change

Update last-seen for dhcp devices

Type of change

• [x] Bugfix
• [ ] New feature
• [ ] Code quality improvements to existing code or addition of tests
• [ ] Documentation

Additional information

Checklist

• [x] The code change is tested and works locally.
• [ ] The code has been formatted using Black.
• [ ] Tests have been added to verify that the new code works.
• [ ] Documentation added/updated if required.

[github-actions[bot]]

This PR has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.

[github-actions[bot]]

This PR has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.