Version 1.8.3

FIXED

- Fix shared library builds on Linux
  ([476c151e](https://gitlab.com/spice-mc/pepper/-/commit/476c151e5b54c5898117061e8bac435ae1a14333))

- Fix `RPATH` handling on Linux
  ([!261](https://gitlab.com/spice-mc/pepper/-/merge_requests/261))

- Update process data to add missing color factors
  ([!260](https://gitlab.com/spice-mc/pepper/-/merge_requests/260))