RELNOTES: add profile items

These profile-related changes seem significant enough to warrant
entries, as #6021 adds some guidance on the use of private-opt and #5987
standardizes the format of commented code in all profiles.

Relates to #5987 #6021.

RELNOTES

@@ -67,6 +67,9 @@ firejail (0.9.73) baseline; urgency=low
   * docs: add uninstall instructions to README.md (#5812)
   * legal: selinux.c: Split Copyright notice & use same license as upstream
     (#5667)
+  * profiles: fix commented code and eol comments (#5987)
+  * profiles: replace private-opt with whitelist & document private-opt issues
+    (#6021)
   * new profiles: fix-qdf, qpdf, zlib-flate, standard-notes, url-eater
  -- netblue30 <netblue30@yahoo.com>  Mon, 17 Jan 2023 09:00:00 -0500