- update to 0.13.3:
* removed non-optional dirty-equals dependency
* star-expressions in list or dicts where never valid and cause
a warning now.
* A snapshot which contains an dirty-equals expression can now
be compared multiple times.
* Use tomllib instead of PyPI toml on Python 3.11 and later
* added extra.prints
* 3.13 support
* strings with one line-break at the end become no multiline
strings

- Enable sle15_python_module_pythons.
* add license to project metadata and some other fixes in pyproject.toml (#104)