[WC-3050] Retrieve pdfjs worker locally instead of cdn

[gjulivan]

Pull request type

---

Description

pdfjs-dist version has to be the same with react-pdf dependency
https://github.com/wojtekmaj/react-pdf/blob/5e0d135f5d1d3a3cec4628a2fc05a4a8f0bed9e7/packages/react-pdf/package.json#L60
this version use "4.8.69"

[iobuhov]

LGTM

[Copilot]

Pull Request Overview

This PR updates the Document Viewer widget to bundle PDF.js worker files locally instead of loading them from a CDN, improving Content Security Policy (CSP) compliance. The changes involve downgrading the pdfjs-dist dependency to maintain compatibility with react-pdf.

• Configures Rollup to copy PDF.js worker files, cmaps, and standard fonts to the local build
• Updates PDF.js worker URL configuration to use local paths instead of CDN URLs
• Downgrades pdfjs-dist from version 5.0.375 to 4.8.69 for react-pdf compatibility

Reviewed Changes

Copilot reviewed 4 out of 5 changed files in this pull request and generated 1 comment.

File	Description
rollup.config.mjs	Adds copy plugin to bundle PDF.js worker files and dependencies locally
package.json	Bumps version to 1.1.0 and downgrades pdfjs-dist to 4.8.69 for compatibility
PDFViewer.tsx	Updates worker and resource URLs to use local paths instead of CDN
CHANGELOG.md	Documents the change to local PDF.js worker bundling

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported