Eorzeaenv

Fixed
- Fixed WeatherRate data missing. (452d11b)

Changed
- `EorzeaTime.weather_period` accepts base timestamp. (a6cbb3e)
- Make `EorzeaRainbow` stricter. (22d015b)(c72a32b)
Fixed
- Fixed `EorzeaRainbow` bug. (c72a32b)

Added
- Add patch 6.2 weather data. (14799ec)
- Add `EorzeaRainbow` to predict rainbow occurrence. (fead17f)(52d3829)
Changed
- Refactor `EorzeaTime`, the behavior didn't change too much. (b20519c)
- Instance of `EorzeaTime` can compare to each other. (b20519c)
- Add argument in `EorzeaWeather.forecast` that can return weather index instead of weather name. (602da0c)
- `EorzeaWeather.weather_period` can generate infinite period with argument `step='inf'`. (42e9681)
- `timestamp` argument in `EorzeaWeather.forecast` accepts `EorzeaTime` instance.
Deprecated
- float and int type of `timestamp` argument supporting in `EorzeaWeather.forecast` would be removed from 2.5.0.

Added
- Add python3.10 supporting
Fixed
- Fix EorzeaWeather.forecast timestamp type issue.
- Fix EorzeaTime.weather_period timestamp type issue.
- Fix type hint.
Removed
- **Discard python3.6 supporting.**
- **Discard python3.7 supporting.**

Added
- EorzeaPlaceName

Added
- 6.1 weather data