fix: check deny list in webscrappers

[0xi4o]

No description provided.

[gemini-code-assist]

Code Review

This pull request integrates checkDenyList into the Cheerio, Playwright, and Puppeteer document loaders to prevent unauthorized URL access. However, the review highlights critical security concerns regarding Server-Side Request Forgery (SSRF) and DNS rebinding, as checking only the initial URL does not prevent bypasses via HTTP redirects. For Cheerio, the reviewer suggests overriding CheerioWebBaseLoader.prototype.scrape to use secureFetch. For Playwright and Puppeteer, which execute in separate browser processes, the reviewer recommends implementing network-level isolation or configuring a secure forward proxy to block intranet access.

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