gnucash stable: Add build of Doxygen Docs to CI, upload to gnucash.github.io

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/ba16cb3a (commit)
	from  https://github.com/Gnucash/gnucash/commit/b766c126 (commit)



commit ba16cb3a09bcc4665c9275dfceeb7bfb96525143
Author: John Ralls <jralls at ceridwen.us>
Date:   Tue Jul 14 16:31:15 2026 -0700

    Add build of Doxygen Docs to CI, upload to gnucash.github.io



Summary of changes:
 .github/workflows/coverage.yml | 57 +++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 56 insertions(+), 1 deletion(-)