build(deps): update probot requirement from ^13.2.0 to ^13.2.1 (#113)

Updates the requirements on [probot](https://github.com/probot/probot) to permit the latest version.
- [Release notes](https://github.com/probot/probot/releases)
- [Commits](probot/probot@v13.2.0...v13.2.1)

---
updated-dependencies:
- dependency-name: probot
  dependency-type: direct:production
...

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package.json

@@ -17,7 +17,7 @@
     "test": "jest"
   },
   "dependencies": {
-    "probot": "^13.2.0",
+    "probot": "^13.2.1",
     "release-drafter-github-app": "^6.0.0"
   },
   "probot": {