Update AQI Breakpoints

[MallocArray]

In the ESPHome project, a user brought up that EPA updated the AQI breakpoints earlier this year.

MallocArray/airgradient_esphome#74

Consider updating formula in AirGradient firmware and/or Dashboard to reflect this change, if not done already

https://www.epa.gov/system/files/documents/2024-02/pm-naaqs-air-quality-index-fact-sheet.pdf
https://en.wikipedia.org/wiki/Air_quality_index#Computing_the_AQI

[airgradienthq]

We need to synchronize this with an update on our dashboard and also probably change the code for the PM colors on the LEDBar.

[MallocArray]

Why would the PM colors be adjusted? If you are calculating the compensated values on the device, then what it sent up to the server and the LED lights should be unaffected, as you are now using a more correct value, but still reflecting the same outcome.