Bump @google/generative-ai from 0.7.1 to 0.8.0 (#36)

Bumps [@google/generative-ai](https://github.com/google/generative-ai-js) from 0.7.1 to 0.8.0.
- [Release notes](https://github.com/google/generative-ai-js/releases)
- [Commits](https://github.com/google/generative-ai-js/compare/@google/generative-ai@0.7.1...@google/generative-ai@0.8.0)

---
updated-dependencies:
- dependency-name: "@google/generative-ai"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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package.json

@@ -39,7 +39,7 @@
     "standard": "^17.0.0"
   },
   "dependencies": {
-    "@google/generative-ai": "^0.7.1",
+    "@google/generative-ai": "^0.8.0",
     "acorn": "^8.11.3",
     "caller": "^1.1.0",
     "debug": "^4.3.4",