fix(liveness): Detect failed camera opening

[tylerjroach]

The change monitors the camera binding and throws an error if no camera frames are detected within 5 seconds of an attempted launch.

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Documentation update required?

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General Checklist

• Added Unit Tests
• Added Integration Tests
• Security oriented best practices and standards are followed (e.g. using input sanitization, principle of least privilege, etc)
• Ensure commit message has the appropriate scope (e.g fix(liveness): message, fix(authenticator): message, fix(all): message)

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