Update dependency octokit to v3.1.2 (#670)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [octokit](https://togithub.com/octokit/octokit.js) | [`3.1.1` -> `3.1.2`](https://renovatebot.com/diffs/npm/octokit/3.1.1/3.1.2) | [![age](https://developer.mend.io/api/mc/badges/age/npm/octokit/3.1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/octokit/3.1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/octokit/3.1.1/3.1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/octokit/3.1.1/3.1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>octokit/octokit.js (octokit)</summary>

### [`v3.1.2`](https://togithub.com/octokit/octokit.js/releases/tag/v3.1.2)

[Compare Source](https://togithub.com/octokit/octokit.js/compare/v3.1.1...v3.1.2)

##### Bug Fixes

-   updates app.js for the handling of an error being thrown by the verify method in webhooks.js ([#&#8203;2576](https://togithub.com/octokit/octokit.js/issues/2576)) ([b59da80](https://togithub.com/octokit/octokit.js/commit/b59da8030f23dcd6b70d01a5d02e49fba600b4e8))

</details>

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package.json

@@ -171,7 +171,7 @@
     "node-fetch": "3.3.2",
     "npm-run-all": "4.1.5",
     "nprogress": "0.2.0",
-    "octokit": "3.1.1",
+    "octokit": "3.1.2",
     "open": "9.1.0",
     "outdent": "0.8.0",
     "pixrem": "5.0.0",