chore(deps-dev): bump langchain in /packages/instrumentation-langchain

Bumps [langchain](https://github.com/langchain-ai/langchainjs) from 0.3.30 to 1.0.1.
- [Release notes](https://github.com/langchain-ai/langchainjs/releases)
- [Commits](https://github.com/langchain-ai/langchainjs/commits)

---
updated-dependencies:
- dependency-name: langchain
  dependency-version: 1.0.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

packages/instrumentation-langchain/package.json

@@ -58,7 +58,7 @@
     "@traceloop/instrumentation-bedrock": "workspace:*",
     "@types/mocha": "^10.0.10",
     "@types/node": "^24.0.15",
-    "langchain": "^0.3.30",
+    "langchain": "^1.0.2",
     "mocha": "^11.7.1",
     "ts-mocha": "^11.1.0"
   },