fix(ts): convert worker/repository/process to ts (#5046)

lib/config/common.ts

lib/config/utils.ts

lib/manager/common.ts

lib/workers/common.ts

lib/workers/pr/body/common.ts

lib/workers/pr/body/config-description.ts

lib/workers/repository/onboarding/pr/config-description.ts

lib/workers/repository/onboarding/pr/index.ts

lib/workers/repository/onboarding/pr/pr-list.ts

lib/workers/repository/process/deprecated.ts

lib/workers/repository/process/extract-update.ts

lib/workers/repository/process/fetch.ts

lib/workers/repository/process/index.ts

lib/workers/repository/process/limits.ts

lib/workers/repository/process/lookup/rollback.ts

lib/workers/repository/process/sort.ts

lib/workers/repository/process/write.ts

lib/workers/repository/updates/branchify.ts

test/config/massage.spec.ts

test/config/migration.spec.ts