GHA failing

[PeteHaitch]

Less of a priority than getting it building on the BioC build machines, but it would be good to have this eventually working.

[alanocallaghan]

I got as far as this but I don't know why git config is failing, will ping if I get further https://github.com/OSCA-source/OSCA.multisample/actions/runs/3226305597/jobs/5279662848

[alanocallaghan]

This works on OSCA-source/OSCA but not on the other repos, which just confuses me further OSCA-source/OSCA@fe7b362