Update module github.com/PuerkitoBio/purell to v0.1.0

This MR contains the following updates:

Package	Type	Update	Change
github.com/PuerkitoBio/purell	require	minor	v0.0.0-20180310210909-975f53781597 -> v0.1.0

---

Configuration

Schedule: At any time (no schedule defined).

Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

Ignore: Close this MR and you won't be reminded about this update again.

---

• If you want to rebase/retry this MR, check this box.

---

This MR has been generated by Renovate Bot.