Fix accessibility labels for branches
Created by: eseliger
Followup to https://github.com/sourcegraph/sourcegraph/pull/38285 which is a little imprecise, we discussed that we want to make the wording here better and more explicit.
Created by: eseliger
Followup to https://github.com/sourcegraph/sourcegraph/pull/38285 which is a little imprecise, we discussed that we want to make the wording here better and more explicit.