gnucash-htdocs master: Announce release of GnuCash 5.13

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-htdocs/commit/3f1215ad (commit)
	from  https://github.com/Gnucash/gnucash-htdocs/commit/deacf4e9 (commit)



commit 3f1215ad89bb775264a3520c7fe532c53f51ee13
Author: John Ralls <jralls at ceridwen.us>
Date:   Sun Sep 28 20:43:02 2025 -0700

    Announce release of GnuCash 5.13



Summary of changes:
 externals/global_params.php |   6 +-
 news/250928-5.13.news       | 131 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 134 insertions(+), 3 deletions(-)
 create mode 100644 news/250928-5.13.news