Merge branch 'add-sharding-key-tracking-issues-secrets_management' into 'master'

Add sharding key tracking issues for secrets_management

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/152810



Merged-by: Omar Qunsul <oqunsul@gitlab.com>
Approved-by: Scott Hampton <shampton@gitlab.com>
Approved-by: Omar Qunsul <oqunsul@gitlab.com>
Co-authored-by: Maxime Orefice <morefice@gitlab.com>
Co-authored-by: Manoj M J <mmj@gitlab.com>

db/docs/ci_instance_variables.yml

@@ -8,3 +8,4 @@ description: CI/CD variables available to all projects and groups in an instance
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/30156
 milestone: '13.0'
 gitlab_schema: gitlab_ci
+sharding_key_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/459039

db/docs/ci_job_variables.yml

@@ -8,3 +8,4 @@ description: CI/CD variables set to a job when running it manually.
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/14784
 milestone: '12.2'
 gitlab_schema: gitlab_ci
+sharding_key_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/463243

db/docs/ci_pipeline_variables.yml

@@ -8,3 +8,4 @@ description: TODO
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/commit/56418e85ac6b667d19495665860092ce4d74f55d
 milestone: '9.5'
 gitlab_schema: gitlab_ci
+sharding_key_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/463244