fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-JSYAML-13961110

Author: snyk-bot

package.json

@@ -33,7 +33,7 @@
     "esbuild": "^0.23.0",
     "fetch-mock": "9.11.0",
     "glob": "^11.0.0",
-    "jest": "^29.0.0",
+    "jest": "^30.0.0",
     "prettier": "3.3.3",
     "semantic-release": "^24.0.0",
     "semantic-release-plugin-update-version-in-files": "^1.1.0",