[glib: 3/4] NEWS: add stub entry for iconv option deprecation

[Philip Withnall <pwithnall src gnome org>]

commit 1532c5878e24116caa55011b764f028cd9f31290
Author: Eli Schwartz <eschwartz archlinux org>
Date:   Thu Jun 16 12:07:03 2022 -0400

    NEWS: add stub entry for iconv option deprecation
    
    As per review comment, this is miscellaneous enough that it could be
    forgotten about at release time, but should still be mentioned.
    Guarantee it by starting work on that now.

 NEWS | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/NEWS b/NEWS
index 42fedb9b48..dd55ab257a 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,10 @@
+Overview of changes in GLib 2.73.1
+==================================
+
+* Remove the `-Diconv` configure option, as GLib now uses Meson’s built-in logic for
+  finding which iconv implementation to use (work by Eli Schwartz) (!2734)
+
+
 Overview of changes in GLib 2.73.0
 ==================================