add news bullet

Author: teunbrand

NEWS.md

@@ -1,5 +1,9 @@
 # ggplot2 (development version)
 
+* The following methods have been deprecated: `fortify.lm()`, `fortify.glht()`,
+  `fortify.confint.glht()`, `fortify.summary.glht()` and `fortify.cld()`. It
+  is recommend to use `broom::augment()` and `broom::tidy()` instead 
+  (@teunbrand, #3816).
 * Custom and raster annotation now respond to scale transformations, and can
   use AsIs variables for relative placement (@teunbrand based on 
   @yutannihilation's prior work, #3120)