Eliminate possible addon data race condition during update

[mdegat01]

Proposed change

Currently addon update has a possible race condition with the global addon data. This can be triggered as follows:

1. An addon update is initiated
2. While waiting for the new image to download, store data is updated (possibly due to scheduled task)
3. The config of the addon being updated has changed. Specifically if a new version came out or the image was changed

In this situation Supervisor ends up pulling one image but telling the addon a completely different image is in use. And then promptly removing the image it just pulled as it believes it is stale.

The unit test reproduces this race condition by simulating with asyncio events prior to the code change. It is not reproducible afterwards. I believe this change to be the solution to #4610 . Although we can't be certain as we have no logs or steps to reproduce clearly showing what is occurring on these systems. Still it seems likely as the steps I outlined above would result in that exact error.

Type of change

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

Additional information

• This PR fixes or closes issue: fixes Image homeassistant/amd64-addon-zwave_js:0.1.96 does not exist for addon_core_zwave_js #4610
• This PR is related to issue:
• Link to documentation pull request:
• Link to cli pull request:

Checklist

• The code change is tested and works locally.
• Local tests pass. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.
• I have followed the development checklist
• The code has been formatted using Black (black --fast supervisor tests)
• Tests have been added to verify that the new code works.

If API endpoints of add-on configuration are added/changed:

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