chore: Upgrade pdfjs-dist from 4.0.379 to 4.10.38

Updated PDF.js library to version 4.10.38 for improved PDF rendering
and barcode scanning capabilities.

Changes:
- package.json: Updated pdfjs-dist dependency to ^4.10.38
- package-lock.json: Updated dependency tree
- public/pdf.worker.min.mjs: Updated PDF.js worker file
- app/lib/pdf/barcodeDecoder.ts: Removed unused import

This is a minor version update within v4, maintaining API compatibility
while receiving bug fixes and improvements.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/lib/pdf/barcodeDecoder.ts

@@ -1,7 +1,6 @@
 import { PDFPageProxy } from 'pdfjs-dist';
 import { BrowserPDF417Reader } from '@zxing/browser';
 
-import * as pdfJSx from 'pdfjs-dist';
 import { BarcodeFormat, DecodeHintType, Result } from '@zxing/library';
 
 export type BillInfo = {