Extend Reolink update entity

[starkillerOG]

Breaking change

Proposed change

Add release notes and firmware file download link to the update entity.

Requires the reolink-aio version bump PR #94259 to be merged first.

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:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
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• There is no commented out code in this PR.
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• The code has been formatted using Black (black --fast homeassistant tests)
• Tests have been added to verify that the new code works.

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

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[c0ffeeca7]

I've added a suggestion for the text. But I'm not sure if this works with the string formatting / still has the line breaks in the right place.

[c0ffeeca7]

LGTM, @starkillerOG 👍

[starkillerOG]

@c0ffeeca7 thank you for the text improvement!
Formatting looks good to me:

@frenck do you also approve?

[frenck]

@frenck do you also approve?

The bot has assigned me. I've asked you quite a few times now to stop pinging people for this.

../Frenck

[frenck]

Looks good, thanks 👍

../Frenck

Comment addressed.