Fails to pip install under Python 3.13

[psd]

Python 3.13 has some significant performance gains, but installing digital-land-python failes, possibly due to some pinned package versions in setup.py:

building 'shapely.lib' extension
      creating build/temp.linux-x86_64-cpython-313/src
      x86_64-linux-gnu-gcc -fno-strict-overflow -Wsign-compare -DNDEBUG -g -O2 -Wall -fPIC -I/home/psd/src/digital-land/digital-land-python/.venv/include -I/usr/include/python3.13 -I/tmp/pip-build-env-h3hilvct/overlay/lib/python3.13/site-packages/numpy/_core/include -c src/c_api.c -o build/temp.linux-x86_64-cpython-313/src/c_api.o
      In file included from src/c_api.h:22,
                       from src/c_api.c:15:
      src/geos.h:15:10: fatal error: geos_c.h: No such file or directory
         15 | #include <geos_c.h>
            |          ^~~~~~~~~~
      compilation terminated.
      error: command '/usr/bin/x86_64-linux-gnu-gcc' failed with exit code 1
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for Shapely

and later

  × Building wheel for cchardet (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> [17 lines of output]
      running bdist_wheel
      running build
      running build_py
      creating build/lib.linux-x86_64-cpython-313/cchardet
      copying src/cchardet/__init__.py -> build/lib.linux-x86_64-cpython-313/cchardet
      copying src/cchardet/version.py -> build/lib.linux-x86_64-cpython-313/cchardet
      running build_ext
      building 'cchardet._cchardet' extension
      creating build/temp.linux-x86_64-cpython-313/src/cchardet
      creating build/temp.linux-x86_64-cpython-313/src/ext/uchardet/src
      creating build/temp.linux-x86_64-cpython-313/src/ext/uchardet/src/LangModels
      x86_64-linux-gnu-g++ -fno-strict-overflow -Wsign-compare -DNDEBUG -g -O2 -Wall -fPIC -Isrc/ext/uchardet/src -I/home/psd/src/digital-land/digital-land-python/.venv/include -I/usr/include/python3.13 -c src/cchardet/_cchardet.cpp -o build/temp.linux-x86_64-cpython-313/src/cchardet/_cchardet.o
      src/cchardet/_cchardet.cpp:196:12: fatal error: longintrepr.h: No such file or directory
        196 |   #include "longintrepr.h"
            |            ^~~~~~~~~~~~~~~
      compilation terminated.
      error: command '/usr/bin/x86_64-linux-gnu-g++' failed with exit code 1