upgrade gitlab-runner image to 16.0.2
GitLab server is running version 16 now. This change upgrades gitlab-runner to 16 too. This is a major version upgrade, so we should check diffs and logs a bit more carefully.
Bug: T343297 Bug: T338460
How to register an account on GitLab. To prevent spam, new accounts are locked until approved by an admin or the approver bot. You can also file an unlock request to expedite access.
Support: mw:GitLab, how to host a project on GitLab, #wikimedia-gitlab on libera.chat, #GitLab on Phabricator.
GitLab server is running version 16 now. This change upgrades gitlab-runner to 16 too. This is a major version upgrade, so we should check diffs and logs a bit more carefully.
Bug: T343297 Bug: T338460