Vue2 was taking the template out & then appending again. This changes that

It's because Vue says: "Component template should contain exactly one root element".

Grapify triggers API

## What are the relevant issue numbers?

Related to #22928

See merge request !7378

Fix error when using invalid branch name when creating a new pipeline

## What does this MR do?

This MR fixes `500` error when creating a new pipeline though user interface ("Run pipeline")

## Are there points in the code the reviewer needs to double check?

Is this a good approach to catch those exceptions on `Repository` level?

## Does this MR meet the acceptance criteria?

- [x] [Changelog entry](https://docs.gitlab.com/ce/development/changelog.html) added
- Tests
  - [x] Added for this feature/bug

## What are the relevant issue numbers?

Closes #23982

See merge request !7324

Fix cache for commit status in commits list to respect branches

Fix cache for commit status in commits list to respect branches

Closes #24324

See merge request !7372

Use 'Forking in progress' title when appropriate

See merge request !7394

Resolve "Improve ee_compat_check task (part 3)"

Improve the `ee_compat_check` task with caching and keep artifacts on failure.

Closes #23945.

See merge request !7177

Import University training preso slides

## What does this MR do?

Adds missing training material from University.

## What are the relevant issue numbers?

Closes #23502

See merge request !7016

Grapify milestones API

## What are the relevant issue numbers?

Related to #22928

See merge request !7373

Grapify runners API

## What are the relevant issue numbers?

Related to #22928

See merge request !7377

Grapify the session API

## What are the relevant issue numbers?

Related to #22928

See merge request !7381

Signed-off-by: Rémy Coutable <remy@rymai.me>

Add api endpoint `/groups/owned`

See merge request !7103

[ci skip]

Remove order-dependent expectation

Fixes #24341, hopefully

See merge request !7385

Signed-off-by: Rémy Coutable <remy@rymai.me>

Add more highlighting to development docs

Now that docs.gitlab.com has lovely highlighting, we should make sure we use it
everywhere it makes sense!

See merge request !7369

Add query param to filter users by 'external' & 'blocked' type on API

Closes #23731

See merge request !7109

[ci skip]

Add a link to Git cheatsheet PDF in docs readme

See merge request !7382

[ci skip]