Adding unauthenticated network access to Gitaly

Issues to put in the next patch release. Work on these first, and add the Pick Into Stable label to the merge request, along with the appropriate milestone.

For issues that are the focus of active research and refinement for prioritization in upcoming milestones. Previously "on deck".

A label to replace the assignment of the Next 1-3 releases milestone

A label to replace the assignment of the Next 4-7 releases milestone

A label to replace the assignment of the Next 7-13 releases milestone

No related to an ongoing priority project.

Features that are part of short-term planning.

Issue currently being worked by @ofernandez2

Issues in review for @ofernandez2

Issue ready for @ofernandez2

Issues related to the Code Review OKR for Large MRs - gitlab-com&1426

Issues for the current OKR of the database team.

Issues labeled specifically for the Frontend OKR's

https://about.gitlab.com/okrs/

Issues related to the security group's OKR