refactor(test): move manager tests to lib (#5300)

.eslintignore

.prettierignore

lib/manager/ansible/__fixtures__/main1.yaml

lib/manager/ansible/__fixtures__/main2.yaml

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

lib/manager/ansible/extract.spec.ts

lib/manager/ansible/update.spec.ts

lib/manager/bazel/__fixtures__/WORKSPACE1

lib/manager/bazel/__fixtures__/container_pull

lib/manager/bazel/__fixtures__/repositories.bzl

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

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

lib/manager/bazel/extract.spec.ts

lib/manager/bazel/update.spec.ts

lib/manager/buildkite/__fixtures__/pipeline1.yml

lib/manager/buildkite/__fixtures__/pipeline2.yml

lib/manager/buildkite/__fixtures__/pipeline3.yml

lib/manager/buildkite/__fixtures__/pipeline4.yml

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

lib/manager/buildkite/__snapshots__/update.spec.ts.snap