chore(deps): update dependency @octokit/webhooks-types to v7.6.1

Author: renovate[bot]

functions/package-lock.json

@@ -39,7 +39,7 @@
     "probot": "12.3.1"
   },
   "devDependencies": {
-    "@octokit/webhooks-types": "7.2.0",
+    "@octokit/webhooks-types": "7.6.1",
     "@stryker-mutator/core": "7.1.1",
     "@stryker-mutator/jest-runner": "7.1.1",
     "@stryker-mutator/typescript-checker": "7.1.1",