x11/arandr: Update to 0.1.10

This version introduces support for Python 3.

Changelog:
https://gitlab.com/arandr/arandr/-/commit/43faec00c0feca3f00b0acbae048de14f02c6d21

Also:
- Remove deprecation notices.
- Switch to GitLab from MASTER_SITES.
- Order variables.
- Install manpages into the new standard directory.
- Use INSTALL_MAN instead of INSTALL_DATA for documentation.
- Update WWW to use HTTPS.