Merge branch 'add-search-to-contributed-projects-graphql-query' into 'master'

Add search argument to contributed projects GraphQL query

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/167966



Merged-by: Brett Walker <bwalker@gitlab.com>
Approved-by: Serhii Yarynovskyi <syarynovskyi@gitlab.com>
Approved-by: Brett Walker <bwalker@gitlab.com>
Approved-by: Alexandru Croitor <acroitor@gitlab.com>
Approved-by: Michał Zając <mzajac@gitlab.com>
Co-authored-by: Peter Hegman <phegman@gitlab.com>