add news bullet

Author: teunbrand

NEWS.md

@@ -278,6 +278,9 @@
   than `origin`, following in `stat_bin()`'s footsteps (@teunbrand).
 * `stat_summary_2d()` and `stat_bin_2d()` now deal with zero-range data
   more elegantly (@teunbrand, #6207).
+* Munching in `coord_polar()` and `coord_radial()` now adds more detail, 
+  particularly for data-points with a low radius near the center 
+  (@teunbrand, #5023).
 
 # ggplot2 3.5.1