Add details to feature flag entries

Adds details to four flags

config/feature_flags/development/ci_key_autocomplete.yml

 ---
 name: ci_key_autocomplete
-introduced_by_url: 
-rollout_issue_url: 
-group: 
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/29124
+rollout_issue_url:
+group: group::progressive delivery
 type: development
 default_enabled: true

config/feature_flags/development/dag_pipeline_tab.yml

 ---
 name: dag_pipeline_tab
-introduced_by_url: 
-rollout_issue_url: 
-group: 
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/30310
+rollout_issue_url:
+group: group::pipeline authoring
 type: development
 default_enabled: true

config/feature_flags/development/deploy_from_footer.yml

 ---
 name: deploy_from_footer
-introduced_by_url: 
-rollout_issue_url: 
-group: 
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/25427
+rollout_issue_url:
+group: group::progressive delivery
 type: development
 default_enabled: true

config/feature_flags/development/release_evidence_collection.yml

 ---
 name: release_evidence_collection
-introduced_by_url: 
-rollout_issue_url: 
-group: 
+introduced_by_url:
+rollout_issue_url:
+group: group::release management
 type: development
 default_enabled: true