2021.12.0b6

• Update tesla-wall-connector to v1.0.1 (@einarhauks - #61392)
• Add default value for signal_repetitions in cover (@bigbadblunt - #61393)
• Fix Sonos radio handling during polling (@jjlawren - #61401)
• Consolidate SimpliSafe config flow forms into one (@bachya - #61402)
• Bump frontend to 20211209.0 (@balloob - #61406)
• Assign docs URL to a placeholder in SimpliSafe config flow (@bachya - #61410)