refactor(pip): use autoReplace

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

...nager/pip_requirements/__snapshots__/extract.spec.ts.snap

...anager/pip_requirements/__snapshots__/update.spec.ts.snap

lib/manager/pip_requirements/extract.ts

lib/manager/pip_requirements/index.ts

lib/manager/pip_requirements/update.spec.ts

lib/manager/pip_requirements/update.ts

lib/manager/pip_setup/index.ts