climaemet 1.4.0

• New functions:
  • aemet_alerts() to get current meteorological alerts issued by AEMET.
  • Helper function aemet_alert_zones() to obtain the zoning defined by
    AEMET for the alerts.
  • aemet_forecast_fires() to get a SpatRaster with the forecast of risk
    level of wildfires.
• Increase timeout limit with httr2::req_timeout().
• Better management of non valid/duplicated/empty API keys.
• New packages added to 'Suggest': terra.

What's Changed

• Add new function aemet_alerts() by @dieghernan in #60
• Improve alert functions by @dieghernan in #61
• Add aemet_forecast_fires by @dieghernan in #64

Full Changelog: v1.3.0...v1.4.0