Fix github ssh url regex

[lejenome]

Description

Fix Github ssh url regex

References

This fix adds support to the following urls:

• git@github.com/nephila/giturlparse
• git@github.com/nephila/giturlparse/
• git@github.com/nephila/giturlparse.git/

Checklist

• [ ] Code lint checked via inv lint
• [] Tests added

[yakky]

@lejenome thanks for opening this, please see linked PR for a more comprehensive changeset