Bump pyOverkiz to 1.20.3

[iMicknl]

Proposed change

https://github.com/iMicknl/python-overkiz-api/releases/tag/v1.20.3
https://github.com/iMicknl/python-overkiz-api/compare/v1.20.0..v1.20.3

Mainly dependency updates and some additional enums.
Fixes #169117

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)
• Deprecation (breaking change to happen in the future)
• 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 #
• This PR is related to issue:
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• Link to developer documentation pull request:
• Link to frontend pull request:

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[Copilot]

Pull request overview

Updates the Overkiz integration’s pinned pyoverkiz dependency to pick up upstream fixes (including new enums) that address warnings like the reported unsupported UIWidget value.

Changes:

• Bump pyoverkiz from 1.20.0 to 1.20.3 in the Overkiz integration manifest.
• Regenerate/update pinned requirement entries in requirements_all.txt and requirements_test_all.txt to match the new version.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
homeassistant/components/overkiz/manifest.json	Updates the integration requirement pin to pyoverkiz==1.20.3.
requirements_all.txt	Updates the global “all integrations” requirements pin for pyoverkiz.
requirements_test_all.txt	Updates the test “all integrations” requirements pin for pyoverkiz.

[TheJulianJES]

Thanks!