build(deps): bump the frontend-minor-patch group in /frontend with 2 updates

[dependabot]

Bumps the frontend-minor-patch group in /frontend with 2 updates: katex and prettier.

Updates katex from 0.16.47 to 0.18.9

Release notes

Sourced from katex's releases.

v0.18.9

0.18.9 (2026-09-23)

Features

• types: add contrib module declarations (#4250) (aafa187)

v0.18.8

0.18.8 (2026-09-23)

Bug Fixes

• array: preserve trailing rows in align (#4283) (ddfcc29)

v0.18.7

0.18.7 (2026-09-06)

Features

• add \reflectbox and \mapsfrom support (#4262) (ab509fd)

v0.18.6

0.18.6 (2026-09-05)

Bug Fixes

• array: preserve tags on empty final rows (#4277) (02d552c)

v0.18.5

0.18.5 (2026-08-31)

Bug Fixes

• char: accept U+10FFFF (#4265) (6805538), closes #2549

v0.18.4

0.18.4 (2026-08-10)

Bug Fixes

• environment: report invalid environment names as ParseError (#4256) (e507f75), closes #3760 #3760

v0.18.3

0.18.3 (2026-08-09)

... (truncated)

Changelog

Sourced from katex's changelog.

0.18.9 (2026-09-23)

Features

• types: add contrib module declarations (#4250) (aafa187)

0.18.8 (2026-09-23)

Bug Fixes

• array: preserve trailing rows in align (#4283) (ddfcc29)

0.18.7 (2026-09-06)

Features

• add \reflectbox and \mapsfrom support (#4262) (ab509fd)

0.18.6 (2026-09-05)

Bug Fixes

• array: preserve tags on empty final rows (#4277) (02d552c)

0.18.5 (2026-08-31)

Bug Fixes

• char: accept U+10FFFF (#4265) (6805538), closes #2549

0.18.4 (2026-08-10)

Bug Fixes

• environment: report invalid environment names as ParseError (#4256) (e507f75), closes #3760 #3760

0.18.3 (2026-08-09)

Bug Fixes

• allow braced arguments for delimsizing (#4255) (1c973ae)

0.18.2 (2026-08-08)

... (truncated)

Commits

• 71a7bc0 chore(release): 0.18.9 [ci skip]
• aafa187 feat(types): add contrib module declarations (#4250)
• e749fd1 chore(release): 0.18.8 [ci skip]
• ddfcc29 fix(array): preserve trailing rows in align (#4283)
• 96e751c chore(deps): bump github/codeql-action from 4.38.0 to 4.38.1 (#4292)
• 726c2d4 chore(deps): bump github/codeql-action from 4.37.9 to 4.38.0 (#4287)
• f71045d chore(deps): update dependency js-yaml to v4.3.2 [security] (#4286)
• cd5ec4f chore(release): 0.18.7 [ci skip]
• ab509fd feat: add \reflectbox and \mapsfrom support (#4262)
• 9eb45b7 chore(release): 0.18.6 [ci skip]
• Additional commits viewable in compare view

Install script changes

This version adds prepare script that runs during installation. Review the package contents before updating.

Updates prettier from 3.9.8 to 3.9.9

Release notes

Sourced from prettier's releases.

3.9.9

• Markdown: Fix text with $ been incorrectly parsed as math syntax (#20140 by @​fisker)

🔗 Changelog

Changelog

Sourced from prettier's changelog.

3.9.9

diff

Markdown: Fix text with $ been incorrectly parsed as math syntax (#20140 by @​fisker)

<!-- Input -->
**Uses $FOO** from `a.sh` and `b.sh`, plus `$BAR` from `c.sh`, before anything else runs here.
<!-- Prettier 3.9.8 -->
Uses $FOO from a.sh and b.sh, plus $BARfromc.sh, before anything else runs here.
<!-- Prettier 3.9.9 -->
Uses $FOO from a.sh and b.sh, plus $BAR from c.sh, before anything else runs here.

Commits

• cdd17f2 Release 3.9.9
• dc7b896 Disable singleDollarTextMath in mdast-util-math (#20140)
• f9be58f Git blame ignore 3.9.8
• 88470cb Bump Prettier dependency to 3.9.8
• 9559cab Clean changelog_unreleased
• 4fc8ee8 Update dependents count
• See full diff in compare view

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