[Doppins] Upgrade dependency raven to ^2.1.2

[doppins-bot]

Hi!

A new version was just released of raven, so Doppins
has upgraded your project's dependency ranges.

Make sure that it doesn't break anything, and happy merging!

---

Upgraded raven from ^1.1.1 to ^2.0.0

[doppins-bot]

An additional new version was just released of raven, so we've added an
extra commit upgrading your range to ^2.0.1.

Hope that's alright!
— Doppins

[doppins-bot]

An additional new version was just released of raven, so we've added an
extra commit upgrading your range to ^2.0.2.

Hope that's alright!
— Doppins

[doppins-bot]

An additional new version was just released of raven, so we've added an
extra commit upgrading your range to ^2.1.0.

Hope that's alright!
— Doppins

[doppins-bot]

An additional new version was just released of raven, so we've added an
extra commit upgrading your range to ^2.1.1.

Hope that's alright!
— Doppins

[doppins-bot]

An additional new version was just released of raven, so we've added an
extra commit upgrading your range to ^2.1.2.

Hope that's alright!
— Doppins