UV Index value reported is not aligned to Entity HA Format

[bernardpe]

Checklist:

• I updated to the latest version available
• I cleared the cache of my browser

Release with the issue:
Version 1.2.1

Last working release (if known):
N/A

Browser and Operating System:
Microsoft Edge

Description of problem:
Entity HA got a format defined for entity uv index : 3.50 reported but uv-index-card report 3.5 and do not used format of HA

do not take care uv index moved from 3.5 to 3.6 !
I expected to have 3.60 on the card

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Additional information: