Hydra team CI access

[Mic92]

We (hydra team) would need more permissions to be able to change CI settings:

https://github.com/orgs/NixOS/teams/hydra-maintainers/repositories

in particular required checks: NixOS/hydra#1503

[Ericson2314]

Yes thank you! (Can confirm we want this.)

[Mic92]

Turns out Janne has the right permissions. Good enough for now.