Update dependency mockery/mockery to v1.3.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
mockery/mockery	require-dev	patch	1.3.0 -> 1.3.1

---

Release Notes

mockery/mockery

### [`v1.3.1`](https://togithub.com/mockery/mockery/blob/master/CHANGELOG.md#​131-2019-12-26) [Compare Source](https://togithub.com/mockery/mockery/compare/1.3.0...1.3.1) - Revert improved exception debugging due to BC breaks ([#​1032](https://togithub.com/mockery/mockery/issues/1032))

---

Renovate configuration

:date: Schedule: At any time (no schedule defined).

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

:recycle: Rebasing: Whenever PR becomes conflicted, or if you tick the rebase/retry checkbox below.

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

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by WhiteSource Renovate. View repository job log here.