Adds missing milestones to feature flags

- `datadog_ci_integration`
- `graphql_pipeline_details`
- `mrc_api_use_raw_diffs_from_gitaly`
- `push_rules_supersede_code_owners`
- `runner_graphql_query`
- `sync_traversal_ids`
- `unified_diff_components`
- `wiki_content_editor`

config/feature_flags/development/datadog_ci_integration.yml

@@ -5,3 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/284088
 type: development
 group: group::ecosystem
 default_enabled: false
+milestone: '13.7'

config/feature_flags/development/graphql_pipeline_details.yml

@@ -5,3 +5,4 @@ rollout_issue_url:
 type: development
 group: group::pipeline authoring
 default_enabled: true
+milestone: '13.6'

config/feature_flags/development/mrc_api_use_raw_diffs_from_gitaly.yml

@@ -5,3 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/225322
 type: development
 group: group::code review
 default_enabled: false
+milestone: '13.6'

config/feature_flags/development/push_rules_supersede_code_owners.yml

@@ -5,3 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/262019
 type: development
 group: group::code review
 default_enabled: true
+milestone: '13.5'

config/feature_flags/development/runner_graphql_query.yml

@@ -6,3 +6,4 @@ milestone:
 type: development
 group: group::runner
 default_enabled: false
+milestone: '13.12'

config/feature_flags/development/sync_traversal_ids.yml

@@ -5,3 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/321947
 group: group::access
 type: development
 default_enabled: true
+milestone: '13.11'

config/feature_flags/development/unified_diff_components.yml

@@ -5,3 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/268039
 type: development
 group: group::code review
 default_enabled: true
+milestone: '13.6'

config/feature_flags/development/wiki_content_editor.yml

@@ -5,3 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/255919
 group: group::editor
 type: development
 default_enabled: false
+milestone: '13.12'