doc: fix v16.17.1 security release changelog

ruyadorno · juanarbol · commit 895719da65df · 2022-10-11T14:45:28.000-05:00
doc/changelogs/CHANGELOG_V16.md is missing the security release header prior to the "Notable changes" section. PR-URL: #44759 Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Bryan English <bryan@bryanenglish.com> Reviewed-By: Beth Griggs <bethanyngriggs@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
diff --git a/doc/changelogs/CHANGELOG_V16.md b/doc/changelogs/CHANGELOG_V16.md
@@ -68,6 +68,8 @@
 
 ## 2022-09-23, Version 16.17.1 'Gallium' (LTS), @ruyadorno
 
+This is a security release.
+
 ### Notable changes
 
 The following CVEs are fixed in this release:
