gnucash stable: Release GnuCash 5.16

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/f9584304 (commit)
	from  https://github.com/Gnucash/gnucash/commit/1d744065 (commit)



commit f958430429da1b023c4156d7b515502e1401583a
Author: John Ralls <jralls at ceridwen.us>
Date:   Sat Jun 27 11:35:46 2026 -0700

    Release GnuCash 5.16



Summary of changes:
 CMakeLists.txt |  2 +-
 NEWS           | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 77 insertions(+), 1 deletion(-)