Revert "Update hocuspocus image to openproject/hocuspocus:17.0.7"

This reverts commit b626c34.

Author: oliverguenther

docker/prod/Dockerfile

@@ -113,7 +113,7 @@ ENV PGDATA=/var/openproject/pgdata
 COPY --from=openproject/gosu /go/bin/gosu /usr/local/bin/gosu
 RUN chmod +x /usr/local/bin/gosu && gosu nobody true
 
-COPY --from=openproject/hocuspocus:17.0.7 --chown=$APP_USER:$APP_USER /app /opt/hocuspocus
+COPY --from=openproject/hocuspocus:17.0.6 --chown=$APP_USER:$APP_USER /app /opt/hocuspocus
 
 RUN ./docker/prod/setup/postinstall-onprem.sh && \
   ln -s /app/docker/prod/setup/.irbrc /root/