To support `fleetctl gitops`, gitops role can now read policies/queries
and write scripts.
# Checklist for submitter
If some of the following don't apply, delete the relevant line.
<!-- Note that API documentation changes are now addressed by the
product design team. -->
- [x] Changes file added for user-visible changes in `changes/` or
`orbit/changes/`.
See [Changes
files](https://fleetdm.com/docs/contributing/committing-changes#changes-files)
for more information.
- [x] Documented any permissions changes (docs/Using
Fleet/manage-access.md)
- [x] Added/updated tests
- [x] Manual QA for all new/changed functionality
Victor Lyuboslavsky
95437f9044