Update stage for pipeline security

doc/api/project_job_token_scopes.md

doc/api/secure_files.md

doc/ci/cloud_services/aws/index.md

doc/ci/cloud_services/azure/index.md

doc/ci/cloud_services/google_cloud/index.md

doc/ci/cloud_services/index.md

doc/ci/jobs/ci_job_token.md

doc/ci/jobs/ssh_keys.md

doc/ci/pipelines/pipeline_security.md

doc/ci/secrets/akeyless.md

doc/ci/secrets/azure_key_vault.md

doc/ci/secrets/convert-to-id-tokens.md

doc/ci/secrets/fortanix_dsm_integration.md

doc/ci/secrets/gcp_secret_manager.md

doc/ci/secrets/hashicorp_vault.md

doc/ci/secrets/id_token_authentication.md

doc/ci/secrets/index.md

doc/ci/secure_files/index.md

doc/ci/yaml/signing_examples.md