compile error with python 3.13

[kanavin]

With python 3.13 there is the following build regression:

| /srv/storage/alex/yocto/build-metaoe/tmp/work/core2-64-poky-linux/cmpi-bindings/1.0.4/git/swig/python/../../src/target_python.c: In function 'TargetCleanup':
| /srv/storage/alex/yocto/build-metaoe/tmp/work/core2-64-poky-linux/cmpi-bindings/1.0.4/git/swig/python/../../src/target_python.c:435:3: error: implicit declaration of function 'PyEval_AcquireLock'; did you mean 'PyEval_AcquireThread'? [-Wimplicit-function-declaration]
|   435 |   PyEval_AcquireLock();
|       |   ^~~~~~~~~~~~~~~~~~
|       |   PyEval_AcquireThread