feat(config): containerbaseDir (#17414)

docs/usage/self-hosted-configuration.md

lib/config/global.ts

lib/config/options/index.ts

lib/config/types.ts

lib/modules/manager/bundler/artifacts.spec.ts

lib/modules/manager/bundler/common.spec.ts

lib/modules/manager/cargo/artifacts.spec.ts

lib/modules/manager/cocoapods/artifacts.spec.ts

lib/modules/manager/composer/artifacts.spec.ts

lib/modules/manager/gomod/artifacts.spec.ts

lib/modules/manager/gradle-wrapper/artifacts.spec.ts

lib/modules/manager/helmv3/artifacts.spec.ts

lib/modules/manager/jsonnet-bundler/artifacts.spec.ts

lib/modules/manager/mix/artifacts.spec.ts

lib/modules/manager/nuget/artifacts.spec.ts

lib/modules/manager/pip-compile/artifacts.spec.ts

lib/modules/manager/pip_requirements/artifacts.spec.ts

lib/modules/manager/pipenv/artifacts.spec.ts

lib/modules/manager/poetry/artifacts.spec.ts

lib/modules/manager/terraform/extract.spec.ts