* [open62541] Update to v1.0
* Remove dependency on python-six
* Fix CI
* Manually specify the version
* Fix install binaries directory
* Fix end line
* Add homepage and modernize cmake
- We used to `get-pip` on all non-Linux systems; we should be
downloading and running it only on Windows.
- `get-pip`'s download link was volatile, and the SHA would change. We
now download it from a versioned link, which should not change
As part of these, we bumped the number from 0.30.0-2 to 0.30.0-3