chore(deps): update dependency jest to v29

Author: renovate[bot]

package.json

@@ -18,7 +18,7 @@
     "probot": "^4.0.0"
   },
   "devDependencies": {
-    "jest": "^21.2.1",
+    "jest": "^29.0.0",
     "localtunnel": "^1.8.2",
     "nock": "^9.1.5",
     "nodemon": "^1.18.3",