hmmm ... Personally I think there is no to-do. https://wiki.openstreetmap.org/wiki/Good_practice#Don't_map_temporary_events_and_temporary_features

https://www.strassen.nrw.de/de/meldung/b266-sanierung-der-ortsdurchfahrt-mechernich-roggendorf-ab-7-november.html
says that it will be until February which is "only" 4 months, not thaaat long. Also it's only the surface that will be repaired, so no mapping work required after the construction is finished. I would leave everything as it is.