As per usual, leave off developer.pot and contributing.pot since we
don't translate them (not useful, can't really contribute to/dev in
Odoo without knowing English)
Also update the tx/config to point to v18 project
closesodoo/documentation#11148
X-original-commit: 5aa4151
Signed-off-by: Tiffany Chang (tic) <tic@odoo.com>