docs: include priority field in camunda and tasklist API definitions

[panagiotisgts]

Description

Tasklist & Camunda API changes to include the added User Task Priority field epic.

Changes Preview

Camunda API

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Camunda API - Query User Tasks (experimental) Request

Camunda API - Query User Tasks (experimental) Response

Camunda API - Update User Task Body

Tasklist API

---

All response items containing the whole User Task should include the priority field as in the provided response object.

Tasklist API - Search User Tasks Request

Tasklist API - Search User Tasks Response

When should this change go live?

• This is a bug fix, security concern, or something that needs urgent release support.
• This is already available but undocumented and should be released within a week.
• This on a specific schedule and the assignee will coordinate a release with the DevEx team. (apply hold label or convert to draft PR)
• This is part of a scheduled alpha or minor. (apply alpha or minor label)
• There is no urgency with this change and can be released at any time.

PR Checklist

• My changes are for an already released minor and are in /versioned_docs directory.
• My changes are for the next minor and are in /docs directory (aka /next/).

• My changes require an Engineering review, and I've assigned the Engineering DRI or delegate.
• My changes require a technical writer review, and I've assigned @camunda/tech-writers as a reviewer.

[github-actions]

👋 🤖 🤔 Hello! Did you make your changes in all the right places?

These files were changed only in docs/. You might want to duplicate these changes in versioned_docs/version-8.5/.

• docs/apis-tools/camunda-api-rest/specifications/get-cluster-topology.api.mdx
• docs/apis-tools/camunda-api-rest/specifications/query-user-tasks-experimental.api.mdx
• docs/apis-tools/camunda-api-rest/specifications/update-user-task.api.mdx
• docs/apis-tools/tasklist-api-rest/schemas/enums/task-sort-fields.mdx
• docs/apis-tools/tasklist-api-rest/schemas/requests/task-search-request.mdx
• docs/apis-tools/tasklist-api-rest/schemas/responses/task-response.mdx
• docs/apis-tools/tasklist-api-rest/schemas/responses/task-search-response.mdx
• docs/apis-tools/tasklist-api-rest/specifications/assign-task.api.mdx
• docs/apis-tools/tasklist-api-rest/specifications/complete-task.api.mdx
• docs/apis-tools/tasklist-api-rest/specifications/get-form.api.mdx
• docs/apis-tools/tasklist-api-rest/specifications/get-task-by-id.api.mdx
• docs/apis-tools/tasklist-api-rest/specifications/get-variable-by-id.api.mdx
• docs/apis-tools/tasklist-api-rest/specifications/save-draft-task-variables.api.mdx
• docs/apis-tools/tasklist-api-rest/specifications/search-task-variables.api.mdx
• docs/apis-tools/tasklist-api-rest/specifications/search-tasks.api.mdx
• docs/apis-tools/tasklist-api-rest/specifications/unassign-task.api.mdx

You may have done this intentionally, but we wanted to point it out in case you didn't. You can read more about the versioning within our docs in our documentation guidelines.

[marcosgvieira]

LGTM!