update cran comments

Author: thomasp85

cran-comments.md

@@ -1,2 +1,6 @@
-This is a small patch release fixing regressions from the last release. No
-issues with reverse dependencies detected.
+This is a small patch release preparing ggplot2 for changes in the ragg package.
+Further it add infrastructure to help reverse dependencies gracefully prepare
+for the next major ggplot2 release.
+
+This release breaks a test in SimNPH, but we are in contact with them and a fix
+for this should land on CRAN very soon.