Bump ring library ring-doorbell to 0.9.9

[sdb9696]

Proposed change

Bump ring-doorbell to 0.9.9

0.9.9 release notes

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:

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[bdraco]

@sdb9696 Looks like some WebRTC fixes, or are they new features? Should this get tagged for patch release?

[sdb9696]

No need to tag, this is fine just for dev, new features, thanks.