Update forecast.HRRR model name to match server update (pvlib#1292)

* Update forecast.py

The HRRR CONUS 2.5km forecast model data name has changed.

* Update v0.9.0.rst

Update v0.9.0.rst with bug fix documentation

Author: kahemker

docs/sphinx/source/whatsnew/v0.9.0.rst

@@ -208,6 +208,8 @@ Bug fixes
   (:pull:`1273`, :issue:`1221`)
 * Fix :py:meth:`~pvlib.forecast.ForecastModel.get_data` failure to correct for
   non-UTC timezones. (:issue:`1237`, :pull:`1285`)
+* Fixed :py:class:`~pvlib.forecast.HRRR` by changing model name to reflect change on the server. (:issue:`1291`,
+  :pull:`1292`)
 
 Testing
 ~~~~~~~

pvlib/forecast.py

@@ -986,7 +986,7 @@ class HRRR(ForecastModel):
 
     def __init__(self, set_type='best'):
         model_type = 'Forecast Model Data'
-        model = 'NCEP HRRR CONUS 2.5km'
+        model = 'HRRR CONUS 2.5km Forecasts'
 
         self.variables = {
             'temp_air': 'Temperature_height_above_ground',