Add queriess to auto-generated graphqL docs
What does this MR do?
It adds queries to the generated graphQL documentation.
Screenshots (strongly suggested)
Generated documentation: https://gitlab.com/gitlab-org/gitlab/-/blob/eab4980fdb590097e5af4d536b55c5120938cc24/doc/api/graphql/reference/index.md#queries
Does this MR meet the acceptance criteria?
Conformity
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Changelog entry -
Documentation (if required) -
Code review guidelines - [-] Merge request performance guidelines
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Style guides - [-] Database guides
- [-] Separation of EE specific content
Availability and Testing
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Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
Related to #30010 (closed)
Edited by Jarka Košanová