1.21.0b3

• Initialize color temperature to value within range if possible esphome#2168 by @oxan (cherry-picked)
• Add a dummy color temp esphome#2161 by @DotNetDann (cherry-picked)
• Add Gas device class to DSMR component esphome#2169 by @frenck (cherry-picked)
• Send dirty states when screen wakes up esphome#2167 by @jesserockz (cherry-picked)
• Remove specified accuracy_decimals from total_daily_energy esphome#2174 by @jesserockz (cherry-picked)
• Add new total_increasing state-class for Home Assistant 2021.9+ esphome#2166 by @jesserockz (cherry-picked)