Update version specific instructions for Geo data fixes

- 16.4 automatic data fix: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/128939
- 16.3 backport: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/129882
- 16.2 backport: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/129883
- 16.1 backport: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/129884