fix: upgrade @google/generative-ai from 0.16.1 to 0.20.0

Snyk has created this PR to upgrade @google/generative-ai from 0.16.1 to 0.20.0.

See this package in npm:
@google/generative-ai

See this project in Snyk:
https://app.snyk.io/org/ah0sman-jAKcnmKv99pT53Uzwv2jze/project/3cf436fd-7ed5-414a-9715-eaefdf8f6423?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -115,7 +115,7 @@
     "@clerk/themes": "^2.1.27",
     "@codesandbox/sandpack-react": "^2.19.8",
     "@cyntler/react-doc-viewer": "^1.16.6",
-    "@google/generative-ai": "^0.16.0",
+    "@google/generative-ai": "^0.20.0",
     "@huggingface/inference": "^2.8.1",
     "@icons-pack/react-simple-icons": "9.6.0",
     "@khmyznikov/pwa-install": "^0.3.9",