Bugfix: Forgot to update dependencies on tarball

Tag version 2021.01.

Tag version 2021.01-RC6.

Tag version 2021.01-RC5.

Tag version 2020.12-RC4.

Tag version 2020.12-RC3.

Tag version 2020.12-RC2

Tag version 2020.12-RC1

Bumped version to 2019.05

Merge pull request #2874 from openscad/fix-assert-crash

Fix assert crash