Fix hass.io panel for older version

[pvizeli]

Breaking change

Proposed change

Fix: #5363

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New feature (thank you!)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Example configuration

Additional information

• This PR fixes or closes issue: fixes Bug: new supervisor version not showing addons available or installed ones #5363
• This PR is related to issue:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
• There is no commented out code in this PR.
• Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated for www.home-assistant.io

[ludeeus]

This is how we used the version in the supervisor panel before, if it should now be using hass.connection.haVersion we can look at that some other time.
But for now, I'll use my power to approve this.
I have tested the changes here on 0.106.4, and the panel now works on older core versions.