feat(presets): internalize presets (#6090)

lib/config/presets/__fixtures__/presets.json

lib/config/presets/__snapshots__/github.spec.ts.snap

lib/config/presets/__snapshots__/index.spec.ts.snap

lib/config/presets/common.ts

lib/config/presets/github.spec.ts

lib/config/presets/github.ts

lib/config/presets/index.spec.ts

lib/config/presets/index.ts

lib/config/presets/internal/config.ts

lib/config/presets/internal/default.ts

lib/config/presets/internal/docker.ts

lib/config/presets/internal/group.ts

lib/config/presets/internal/helpers.ts

lib/config/presets/internal/index.spec.ts

lib/config/presets/internal/index.ts

lib/config/presets/internal/monorepo.ts

lib/config/presets/internal/packages.ts

lib/config/presets/internal/preview.ts

lib/config/presets/internal/schedule.ts