feat: Migrate common-ci-tasks to newer version (!515) · Merge requests · GitLab.com / GitLab Infrastructure Team / common-template-copier · GitLab

What

Adds a migration to projects to upgrade the version of common-ci-tasks in .gitlab-ci.yml to v2.91.0 unless they are already on that version or later.

Why

Fixes an issue where Renovate doesn't automatically update common-ci-tasks versions when they are included as components.

Links to relevant issues

Closes #8