refactor: docker-based datasources use managerData

docs/adding-a-package-manager.md

lib/manager/ansible/extract.js

lib/manager/ansible/update.js

lib/manager/circleci/extract.js

lib/manager/circleci/update.js

lib/manager/docker-compose/extract.js

lib/manager/docker-compose/update.js

lib/manager/dockerfile/extract.js

lib/manager/dockerfile/update.js

lib/manager/github-actions/extract.js

lib/manager/github-actions/update.js

lib/manager/gitlabci/extract.js

lib/manager/gitlabci/update.js

lib/manager/kubernetes/extract.js

lib/manager/kubernetes/update.js

test/manager/ansible/__snapshots__/extract.spec.js.snap

test/manager/ansible/update.spec.js

test/manager/circleci/__snapshots__/extract.spec.js.snap

test/manager/circleci/update.spec.js

...manager/docker-compose/__snapshots__/extract.spec.js.snap