Upgrade numpy to 1.20.2

[frenck]

Proposed change

Release notes: https://numpy.org/doc/stable/release/1.20.0-notes.html

I've went through our codebase for deprecations, none found. Hard to tell for all subdeps.

This PR fixes issue #48565

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New integration (thank you!)
• New feature (which adds functionality to an existing integration)
• 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 Uncaught Exception 2021.4.0b0 #48565
• This PR is related to issue:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
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• Tests have been added to verify that the new code works.

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[frenck]

Converting to draft.

Numpy has already landed, probably that version is build because of another dep (maybe a custom integration?) anyways, give me more room to test before marking this ready for review.

[frenck]

Tested in my production instance by modifying the runtime container and triggering S6 into restarting the Home Assistant service. Using Home Assistant Core 2021.4.0b0, as was the issue reported with.

Before:

After:

No error like that to be found anymore.

Have downgraded again to verify error returns and upgraded once again to verify it did indeed was gone.