Update dependency jest to v30

Author: renovate[bot]

package.json

@@ -24,7 +24,7 @@
   "devDependencies": {
     "eslint": "8.57.0",
     "eslint-plugin-ghost": "3.4.3",
-    "jest": "29.7.0",
+    "jest": "30.2.0",
     "jest-extended": "4.0.2"
   },
   "dependencies": {