gnucash maint: Release GnuCash 4.10

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/fa0a10c4 (commit)
	from  https://github.com/Gnucash/gnucash/commit/cb04a2a7 (commit)



commit fa0a10c4cf46d2045b77d6357b5533de82c40e39
Author: John Ralls <jralls at ceridwen.us>
Date:   Sat Mar 26 15:21:24 2022 -0700

    Release GnuCash 4.10



Summary of changes:
 CMakeLists.txt |    5 +-
 ChangeLog.2021 | 5564 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 NEWS           |   88 +-
 3 files changed, 5645 insertions(+), 12 deletions(-)
 create mode 100644 ChangeLog.2021