OpenSSH will iterate through a series of keys. Additionally, there may be a key specified in the ssh/config file that we need to account for. Fixes https://gitlab.com/kicad/code/kicad/-/issues/18864
Recommendation is to avoid using the year nomenclature as this information is already encoded in the git repo. Avoids needing to repeatly update. Also updates AUTHORS.txt from current repo with contributor names
Adds support for project-based git integration, branch support, commit, revert and updates Fixes https://gitlab.com/kicad/code/kicad/issues/10441
