Needed for pyproject based build after setup.cfg introduced the license
field to avoid _MissingDynamic error.
Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>
File suffix was changed, reference was forgotten to be updated.
Fixes: eaf8f6085e ("Add proper README")
Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>