Follows: #17892 <!-- --> <ol> <li> Config documentation CI: fix not failing if changes are outstanding </li> </ol> Shown to work at : https://github.com/element-hq/synapse/actions/runs/15532406886/job/43724019104?pr=18528 --------- Signed-off-by: Olivier 'reivilibre <oliverw@matrix.org>