gnucash stable: Update github action package versions.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/6c9d0dca (commit)
	from  https://github.com/Gnucash/gnucash/commit/ab63595c (commit)



commit 6c9d0dca2c53bb1cda749e101ba6d1a05bf6af08
Author: John Ralls <jralls at ceridwen.us>
Date:   Sun Sep 10 14:48:51 2023 -0700

    Update github action package versions.



Summary of changes:
 .github/workflows/ci-docker.yml  | 2 +-
 .github/workflows/ci-tests.yml   | 2 +-
 .github/workflows/mac-tests.yaml | 6 +++---
 3 files changed, 5 insertions(+), 5 deletions(-)