Update dependency katex to v0.16.11

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
katex (source)	0.16.9 -> 0.16.11

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Release Notes

KaTeX/KaTeX (katex)

v0.16.11

Compare Source

Features

• add \emph (#​3963) (9f34da4), closes #​3566

v0.16.10

Compare Source

Bug Fixes

• \edef bypassing maxExpand via exponential blowup (e88b4c3)
• escape \includegraphics src and alt (c5897fc)
• force protocol to be lowercase for better protocol filtering (fc5af64), closes /datatracker.ietf.org/doc/html/rfc3986#section-3
• maxExpand limit with Unicode sub/superscripts (085e21b)

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[github-actions]

The following packages are updated in the Pull Request.

• katex

The affected CDN links are listed below.

katex

CDN Provider	Status	Integrity
jsdelivr	✅ 200	✅
unpkg	✅ 200	✅
cdnjs	❌ 404	❌

copy_tex_js

CDN Provider	Status	Integrity
jsdelivr	✅ 200	✅
unpkg	✅ 200	✅
cdnjs	❌ 404	❌