Add PyDict_New and PyTuple_New to obs-scripting-python-import.[ch];
these functions are used by SWIG's generated code when I build OBS on
macOS with SWIG 4.0.1.
Code submissions have continually suffered from formatting
inconsistencies that constantly have to be addressed. Using
clang-format simplifies this by making code formatting more consistent,
and allows automation of the code formatting so that maintainers can
focus more on the code itself instead of code formatting.