Building the manual fails with ModuleNotFoundError: No module named 'osgeo'

[neteler]

The GitHub Action fails with:

...
#12 1.612 make[1]: Entering directory '/tmp/grass8-root-1/tmppb45hxo_/r.dop.import/r.dop.import.bb.be'
#12 1.612 mkdir -p /tmp/grass8-root-1/tmppb45hxo_/r.dop.import/scripts
#12 1.613 /usr/bin/install -c r.dop.import.bb.be.py /tmp/grass8-root-1/tmppb45hxo_/r.dop.import/scripts/r.dop.import.bb.be
#12 1.614 if [ "/tmp/grass8-root-1/tmppb45hxo_/r.dop.import/scripts/r.dop.import.bb.be" != "" ] ; then GISRC=/tmp/grass8-root-1/gisrc GISBASE=/usr/local/grass84 PATH="/usr/local/grass84/bin:/usr/local/grass84/bin:/usr/local/grass84/scripts:$PATH" PYTHONPATH="/usr/local/grass84/etc/python:/usr/local/grass84/gui/wxpython:$PYTHONPATH" LD_LIBRARY_PATH="/tmp/grass8-root-1/tmppb45hxo_/r.dop.import/bin:/usr/local/grass84/bin:/usr/local/grass84/scripts:/usr/local/grass84/lib:/usr/local/grass84/lib:/usr/local/grass84/lib" LC_ALL=C LANG=C LANGUAGE=C /tmp/grass8-root-1/tmppb45hxo_/r.dop.import/scripts/r.dop.import.bb.be --html-description < /dev/null | grep -v '</body>\|</html>\|</div> <!-- end container -->' > r.dop.import.bb.be.tmp.html ; fi
#12 1.778 Traceback (most recent call last):
#12 1.778   File "/tmp/grass8-root-1/tmppb45hxo_/r.dop.import/scripts/r.dop.import.bb.be", line 83, in <module>
#12 1.779     from osgeo import gdal
#12 1.779 ModuleNotFoundError: No module named 'osgeo'
#12 1.798 make[1]: *** [/usr/local/grass84/include/Make/Html.make:14: r.dop.import.bb.be.tmp.html] Error 1
...

See e.g.:
https://github.com/mundialis/r.dop.import/actions/runs/11016727817/job/30592937905