Update assigned groups for various verify docs

Variable docs moves to pipeline authoring, code quality
moves to static analysis, and artifacts docs moves to
testing.

doc/administration/job_artifacts.md

 ---
 stage: Verify
-group: Pipeline Execution
+group: Testing
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 type: reference, howto
 ---

doc/api/group_level_variables.md

 ---
 stage: Verify
-group: Pipeline Execution
+group: Pipeline Authoring
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 ---
 

doc/api/instance_level_ci_variables.md

 ---
 stage: Verify
-group: Pipeline Execution
+group: Pipeline Authoring
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 ---
 

doc/api/job_artifacts.md

 ---
 stage: Verify
-group: Pipeline Execution
+group: Testing
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 ---
 

doc/api/project_level_variables.md

 ---
 stage: Verify
-group: Pipeline Execution
+group: Pipeline Authoring
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 type: reference, api
 ---

doc/api/templates/gitlab_ci_ymls.md

 ---
 stage: Verify
-group: Pipeline Execution
+group: Pipeline Authoring
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 type: reference
 ---

doc/ci/directed_acyclic_graph/index.md

 ---
 stage: Verify
-group: Pipeline Execution
+group: Pipeline Authoring
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 type: reference
 ---

doc/ci/pipelines/job_artifacts.md

 ---
 stage: Verify
-group: Pipeline Execution
+group: Testing
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 disqus_identifier: 'https://docs.gitlab.com/ee/user/project/pipelines/job_artifacts.html'
 type: reference, howto

doc/ci/pipelines/pipeline_artifacts.md

 ---
 stage: Verify
-group: Pipeline Execution
+group: Testing
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 type: reference, howto
 ---

doc/ci/variables/README.md

 ---
 stage: Verify
-group: Pipeline Execution
+group: Pipeline Authoring
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 type: reference
 ---

doc/ci/variables/predefined_variables.md

 ---
 stage: Verify
-group: Pipeline Execution
+group: Pipeline Authoring
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 type: reference
 ---

doc/ci/variables/where_variables_can_be_used.md

 ---
 stage: Verify
-group: Pipeline Execution
+group: Pipeline Authoring
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 type: reference
 ---

doc/user/project/merge_requests/code_quality.md

 ---
-stage: Verify
-group: Testing
+stage: Secure
+group: Static Analysis
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 type: reference, howto
 ---