[Snyk] Security upgrade langchain from 0.0.61 to 0.3.3

[baldwin323]

Snyk has created this PR to fix 2 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• client/cody-slack/package.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Arbitrary File Write via Archive Extraction (Zip Slip) SNYK-JS-LANGCHAIN-8310293	738
	SQL Injection SNYK-JS-LANGCHAIN-8310492	391

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[sweep-ai]

Hey @baldwin323, here is an example of how you can ask me to improve this pull request:

@Sweep Add unit tests to verify that the upgraded langchain package (v0.3.3) properly handles file operations without being vulnerable to Zip Slip attacks. This should include tests with malicious archive paths.

📖 For more information on how to use Sweep, please read our documentation.