Add structured error parsing for user_cherry_pick

Suggested Reviewers (beta)

The individuals below may be good candidates to participate in the review based on various factors.

You can use slash commands in comments to quickly assign /assign_reviewer @user1.

Suggested Reviewers
`@rymai`, `@JobV`, `@marin`, `@allison.browne`, `@ayufan`

If you do not believe these suggestions are useful, please apply the label Bad Suggested Reviewer. You can also provide feedback for this feature on this issue: https://gitlab.com/gitlab-org/gitlab/-/issues/357923.

Automatically generated by Suggested Reviewers Bot - an experimental ML-based recommendation engine created by ~"group::applied ml".

Reviewer roulette

Changes that require review have been detected!

Please refer to the table below for assigning reviewers and maintainers suggested by Danger in the specified category:

Category	Reviewer	Maintainer
backend	Tiger Watson (`@tigerwnz`) (UTC+10, 14 hours ahead of `@jcaigitlab`)	Dylan Griffith (`@DylanGriffith`) (UTC+10, 14 hours ahead of `@jcaigitlab`)

To spread load more evenly across eligible reviewers, Danger has picked a candidate for each review slot, based on their timezone. Feel free to override these selections if you think someone else would be better-suited or use the GitLab Review Workload Dashboard to find other available reviewers.

To read more on how to use the reviewer roulette, please take a look at the Engineering workflow and code review guidelines. Please consider assigning a reviewer or maintainer who is a domain expert in the area of the merge request.

Once you've decided who will review this merge request, assign them as a reviewer! Danger does not automatically notify them for you.

Generated by Danger

changed milestone to %15.0

added groupgitaly typemaintenance labels

changed the description

requested review from @jagood

Allure report

allure-report-publisher generated test report!

review-qa-blocking: test report for 21d14354

expand test summary

+-------------------------------------------------------------------+
|                          suites summary                           |
+----------------------+--------+--------+---------+-------+--------+
|                      | passed | failed | skipped | flaky | result |
+----------------------+--------+--------+---------+-------+--------+
| Create               | 23     | 0      | 2       | 23    | ❗     |
| Manage               | 36     | 0      | 2       | 38    | ❗     |
| Version sanity check | 0      | 0      | 1       | 0     | ➖     |
| Plan                 | 41     | 0      | 1       | 41    | ❗     |
| Protect              | 2      | 0      | 0       | 2     | ❗     |
| Configure            | 0      | 0      | 1       | 0     | ➖     |
| Verify               | 12     | 0      | 1       | 12    | ❗     |
| Package              | 0      | 0      | 1       | 0     | ➖     |
+----------------------+--------+--------+---------+-------+--------+
| Total                | 114    | 0      | 9       | 116   | ❗     |
+----------------------+--------+--------+---------+-------+--------+