Bump "katex" package version

[updateclibot]

Bump "katex" package version

Bump "katex" package version to 0.16.43

ran shell command "npm install --package-lock-only --dry-run=$DRY_RUN katex@0.16.43"

v0.16.43

## [0.16.43](https://github.com/KaTeX/KaTeX/compare/v0.16.42...v0.16.43) (2026-03-26)


### Bug Fixes

* use makeEm() consistently to truncate long CSS decimals ([#4181](https://github.com/KaTeX/KaTeX/issues/4181)) ([0967dcc](https://github.com/KaTeX/KaTeX/commit/0967dcc0278f20d4501a93f01c7343c70abb3fcd))

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