chore(deps-dev): bump @google-cloud/aiplatform

Bumps [@google-cloud/aiplatform](https://github.com/googleapis/google-cloud-node/tree/HEAD/packages/google-cloud-aiplatform) from 4.4.0 to 5.5.0.
- [Release notes](https://github.com/googleapis/google-cloud-node/releases)
- [Changelog](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-aiplatform/CHANGELOG.md)
- [Commits](https://github.com/googleapis/google-cloud-node/commits/dlp-v5.5.0/packages/google-cloud-aiplatform)

---
updated-dependencies:
- dependency-name: "@google-cloud/aiplatform"
  dependency-version: 5.5.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

packages/traceloop-sdk/package.json

@@ -93,7 +93,7 @@
     "@ai-sdk/openai": "^1.3.23",
     "@anthropic-ai/sdk": "^0.56.0",
     "@aws-sdk/client-bedrock-runtime": "^3.848.0",
-    "@google-cloud/aiplatform": "^4.4.0",
+    "@google-cloud/aiplatform": "^5.6.0",
     "@google-cloud/vertexai": "^1.10.0",
     "@langchain/core": "^0.3.58",
     "@pinecone-database/pinecone": "^6.1.1",