refactor(test): fix getConfig imports (#22819)

lib/config/migrate-validate.spec.ts

lib/config/secrets.spec.ts

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

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

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

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

lib/modules/manager/pep621/extract.spec.ts

...workers/repository/config-migration/branch/create.spec.ts

lib/workers/repository/config-migration/branch/index.spec.ts

...workers/repository/config-migration/branch/rebase.spec.ts

lib/workers/repository/config-migration/index.spec.ts

lib/workers/repository/config-migration/pr/index.spec.ts

lib/workers/repository/dependency-dashboard.spec.ts

lib/workers/repository/extract/index.spec.ts

lib/workers/repository/index.spec.ts

lib/workers/repository/init/apis.spec.ts

lib/workers/repository/init/merge.spec.ts

lib/workers/repository/init/vulnerability.spec.ts

lib/workers/repository/onboarding/branch/create.spec.ts

lib/workers/repository/onboarding/branch/index.spec.ts