try to use python3.10

[AtsushiSakai]

Reference issue

To fix #557

What does this implement/fix?

Bump python-support to 3.10.

Additional information

[AtsushiSakai]

CI fails due to matplotlib. v3.5.x isneeded.
Use sysconfig directly instead of through distutils by QuLogic · Pull Request #21072 · matplotlib/matplotlib matplotlib/matplotlib#21072

[AtsushiSakai]

Rerun CI.

[AtsushiSakai]

Rerun CI.

[AtsushiSakai]

XCode bug?

ecos/ecos_bb/ecos_bb.c:388:5: error: implicitly declaring library function 'memcpy' with type 'void *(void *, const void *, unsigned long)' [-Werror,-Wimplicit-function-declaration]
        memcpy(problem->tmp_branching_bool_node_id, get_bool_node_id(node_idx, problem), bool_node_size);
        ^
    ecos/ecos_bb/ecos_bb.c:388:5: note: include the header <string.h> or explicitly provide a declaration for 'memcpy'
    1 warning and 1 error generated.

Ref: MaskRay/ccls#512

[AtsushiSakai]

Ref: embotech/ecos#191

ecos/ecos_bb/ecos_bb.c:100:77: warning: format specifies type 'unsigned int' but the argument has type 'idxint' (aka 'long') [-Wformat]
            PRINTTEXT("Node info %u: %u : %.2f : %.2f : %u : %.2f Partial id:", i, prob->nodes[i].status, prob->nodes[i].L, prob->nodes[i].U, (int)prob->nodes[i].split_idx, prob->nodes[i].split_val);
                                 ~~                                             ^
                                 %ld

[AtsushiSakai]

Rerun CI

[AtsushiSakai]

The test failures come from scipy's distutil deprication. (Ref: scipy/scipy#13615)
Maybe 1.9.0 will resolve the deprecation warning issue due to using Meson.

=========================== short test summary info ============================
ERROR tests/test_eta3_spline_path.py - DeprecationWarning: The distutils pack...
ERROR tests/test_eta3_spline_path.py - DeprecationWarning: The distutils pack...
ERROR tests/test_gaussian_grid_map.py - DeprecationWarning: The distutils pac...
ERROR tests/test_gaussian_grid_map.py - DeprecationWarning: The distutils pac...
ERROR tests/test_histogram_filter.py - DeprecationWarning: The distutils pack...
ERROR tests/test_histogram_filter.py - DeprecationWarning: The distutils pack...
ERROR tests/test_rear_wheel_feedback.py - DeprecationWarning: The distutils p...
ERROR tests/test_rear_wheel_feedback.py - DeprecationWarning: The distutils p...