Bump pdfjs-dist from 2.13.216 to 3.4.120 in /assets

[dependabot[bot]]

Bumps pdfjs-dist from 2.13.216 to 3.4.120.

Commits

• af64149 Merge pull request #16086 from mozilla/Snuffleupagus-textLayer-OffscreenCanvas
• 5075d04 Use OffscreenCanvas as intended for all code-paths in `src/display/text_lay...
• 9c58d4f Merge pull request #16082 from calixteman/fix_class_in_path
• 3a21423 [Acroform] Use the full path to find the node in the XFA datasets where to st...
• e676c93 Merge pull request #16080 from calixteman/link_hcm
• a074525 [a11y] Improve the visibility of link annotations in HCM
• 3f33fbf Merge pull request #16079 from mozilla/Snuffleupagus-PDFObjects-bitmap
• 1b076b7 Move the ImageBitmap clean-up into the PDFObjects class
• 534b22a Merge pull request #16071 from calixteman/issue16067
• dca54c8 [JS] Send a Validate action on change on Choice widget
• Additional commits viewable in compare view

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