gnucash-docs maint: Update app-fq-vers to "1.53"

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/9a2083be (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/7a108b11 (commit)



commit 9a2083be156d26e16b940935785fc53b309636b0
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Thu Oct 27 11:56:04 2022 +0200

    Update app-fq-vers to "1.53"



Summary of changes:
 docbook/gnc-docbookx.dtd | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)