Update ax_python_devel.m4: fix Debian Bookworm build
requested to merge steffen.grunewald/gstlal-calibration:steffen.grunewald-main-patch-19240 into main
Fix lscsoft/gstlal#135 (closed) (ignore warning text, use return code instead)
Fix lscsoft/gstlal#135 (closed) (ignore warning text, use return code instead)