Removing deleted branches 21.1 and 21.3 from README list of branches and adding the new branch 22.0.
This is the first MR opened to the new branch 22.0, aimed also at testing the CI and sweep infrastructure, see ATLINFR-4546
Removing deleted branches 21.1 and 21.3 from README list of branches and adding the new branch 22.0.
This is the first MR opened to the new branch 22.0, aimed also at testing the CI and sweep infrastructure, see ATLINFR-4546