ci: #3567679 Make the validatable config job manual

    KUBERNETES_CPU_REQUEST: "2"

  # Run on MRs if config schema files have changed, or manually.

  rules:

    - if: $PERFORMANCE_TEST != "1"

    - if: $CI_PIPELINE_SOURCE == "merge_request_event"

      changes:

        - "**/config/schema/*.schema.yml"

        # Modules may alter config schema using hook_config_schema_info_alter().

        - "**/*.module"

        - "**/src/Hook/*.php"

    - when: manual

      allow_failure: true

  artifacts: