Updated products links to pricing

README.md

doc/README.md

doc/administration/index.md

doc/administration/job_artifacts.md

doc/ci/examples/code_climate.md

doc/ci/examples/container_scanning.md

doc/ci/examples/dast.md

doc/ci/triggers/README.md

doc/ci/variables/README.md

doc/development/architecture.md

doc/development/ux_guide/copy.md

doc/install/kubernetes/gitlab_omnibus.md

doc/topics/autodevops/index.md

doc/user/index.md

doc/user/permissions.md

doc/user/project/clusters/index.md

doc/user/project/issue_board.md

doc/user/project/issues/index.md

doc/user/project/issues/issues_functionalities.md

doc/user/project/merge_requests/index.md