Updated weather units for HA 2022.07

Ensure integration is updated for changes to weather platform
https://www.home-assistant.io/blog/2022/07/06/release-20227/#change-any-weather-unit-to-your-preference

Improved usability of rainfall sensors

1. Rainfall sensor entity pictures are now included for usage in map card
2. Fixed issues with missing rainfall sensors not updating properly

Improved usability of rainfall sensors

1. Rainfall sensor entity pictures are now included for usage in map card
2. Fixed issues with missing rainfall sensors not updating properly

Fixed wind-speed in weather entity

v1.4.3

Fixed wind-speed in weather entity

Fixed another minor bug

v1.4.2

Fixed minor bug preventing proper updates

Added rainfall sensors with lat/lon attributes

Added lat/lon to area sensors

Fixed bug with weather entity forecast attribute

v1.3.1

Fix issue with old forecast not being cleared

Code clean up

Clean up code to make it easier to fall back to backup data sources if data.gov API fails.

Extend fix to regional sensors

v1.2.1-fix

Fix typo

Fix for broken data.gov.sg API

Fall back to nea.gov.sg API for the time being