Expose drupal-rector version, upgrade_status, patches-per-phase, and test-set as run-UI variables
### Problem/Motivation
Surface drupal-rector version, upgrade_status version, patches-per-phase, and test-set selection as editable fields in the GitLab Run pipeline UI so operators can pin specific versions and configure phase sizes at pipeline launch time while keeping defaults for scheduled runs.
### Work items
- Commit(s): [9659ac7256](https://git.drupalcode.org/project/project_analysis/-/commit/9659ac7256d8), [b03e6ce9d8](https://git.drupalcode.org/project/project_analysis/-/commit/b03e6ce9d88f)
### Credit
- Implemented by: @bbrala
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*Filed retroactively as part of the Drupal 12 rector coverage effort. Closed as fixed; credit to be applied to the contributors listed above.*
*AI was used extensively to build this work and to file this issue. See [Dries Buytaert: AI-generated Rector rules for Drupal](https://dri.es/ai-generated-rector-rules-for-drupal) and [Björn Brala: Drupal Rector rules are config, not code. Mostly.](https://www.linkedin.com/pulse/drupal-rector-rules-config-code-mostly-bj%C3%B6rn-brala-vfpwe/).*
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