feat: versionScheme -> versioning (#5504)

docs/development/adding-a-package-manager.md

docs/usage/configuration-options.md

docs/usage/docker.md

lib/config/definitions.ts

lib/config/migration.ts

lib/constants/version-schemes.ts

lib/datasource/common.ts

lib/datasource/github/index.ts

lib/datasource/index.ts

lib/datasource/maven/index.spec.ts

lib/datasource/packagist/index.spec.ts

lib/datasource/sbt/index.spec.ts

lib/manager/ansible/__snapshots__/extract.spec.ts.snap

lib/manager/ansible/extract.ts

lib/manager/bazel/__snapshots__/extract.spec.ts.snap

lib/manager/bazel/extract.ts

lib/manager/bundler/index.ts

lib/manager/cargo/index.ts

lib/manager/cdnurl/index.ts

lib/manager/circleci/__snapshots__/extract.spec.ts.snap