New comment by leahneukirchen on void-packages repository

https://github.com/void-linux/void-packages/pull/33097#issuecomment-927750955

Comment:
Workaround for rrdtool: add `am_cv_python_version=3.10` to `configure_args`. (Issue upstream: https://github.com/oetiker/rrdtool-1.x/issues/1135)