[Snyk] Security upgrade langchain from 0.0.67 to 0.1.29

[bozza-man]

Snyk has created this PR to fix 1 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• examples/langchain/langchainjs-localai-example/package.json
• examples/langchain/langchainjs-localai-example/package-lock.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Prototype Pollution SNYK-JS-EXPREVAL-13833679	184

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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Prototype Pollution

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Note

Bumps langchain to 0.1.29 in the example and refreshes the lockfile with significant transitive dependency updates (e.g., @langchain/*, OpenAI v4, Anthropic SDK).

• Dependencies:
  • Upgrade langchain from ^0.0.67 to ^0.1.29 in examples/langchain/langchainjs-localai-example/package.json.
  • Refresh package-lock.json with major transitive changes:
    • Adds/updates @langchain/*, langsmith, js-tiktoken, openai@^4, @anthropic-ai/sdk@^0.9, and related packages.
    • Removes/replaces older deps (e.g., openai@3, cross-fetch, axios, @dqbd/tiktoken, browser-or-node).

^{Written by Cursor Bugbot for commit 4d2fd38. This will update automatically on new commits. Configure here.}

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch snyk-fix-f4bc2481abb237ecdb5001865ce25a60

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