edk2-stable202511 build fails

[leecannon]

Building edk2-stable202511 fails (full log):

       libfdt/libfdt_wrap.c:203:11: fatal error: Python.h: No such file or directory
          203 | # include <Python.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 pylibfdt