chore(deps): update typst requirement from 0.14 to 0.15

[dependabot]

Updates the requirements on typst to permit the latest version.

Release notes

Sourced from typst's releases.

Version 0.15.0 (June 15, 2026)

Read the announcement blog post

View changelog with links into the documentation on typst.app/docs

Highlights

• Typst now supports variable fonts
• HTML export now supports equations out of the box via MathML
• With the new, experimental bundle export target, a single Typst project can output multiple files (e.g. a multi-page website)
• A single document can now contain multiple bibliographies
• Typst can now target multiple PDF standards at once
• The new within selector simplifies many introspection use cases
• The new divider element represents a thematic break that templates can style
• Spot colors enable use of custom pigments in offset printing
• With the new file path type, project-relative paths can be passed to packages
• The new, more general typst eval CLI subcommand supersedes typst query
• Layout convergence issues now result in detailed diagnostics
• Two long-standing list layout issues with marker alignment and centering were fixed
• Paragraph handling in HTML export is improved, preventing unexpected paragraphs from appearing
• The Typst documentation now has a print version

Language

Syntax

• File paths (e.g. in imports or image function calls) may not contain backslashes anymore; instead forward slashes must be used (Breaking change)
• Added hints for invalid characters in code mode
• Added hint when trying to use a unary operator directly in an embedded expression using a hash (e.g. #-30deg)
• Fixed potential stack overflow crashes by enforcing a maximum parsing depth
• Fixed incremental parsing of unclosed strings

Styling

• Text show rules now have tracebacks that include the matched text
• Fixed a crash with text show rules that match on multi-character symbols

Scripting

• Extended hint when built-in definitions are shadowed to set and show rules
• Added hint when trying to spread one or multiple dictionaries into an array
• Improved diagnostics for invalid method calls
• Improved hint for unknown variables in math that are available in std
• Fixed a misleading error message when trying to assign to a temporary return value

Library

Foundations

• Added file path type that is now accepted in all places where paths were previously only represented as strings

... (truncated)

Commits

• 3ae5277 Version bump
• 170f9a9 Typst 0.15 migration guide (#8478)
• eb1af24 Clarify str.rev doc (#8437)
• 4295398 Reject paths with reserved file names on Windows
• aa66d44 Fix project/package root escape via drive letter on Windows
• ca3d159 Drop prefix in Display of VirtualizeError
• bc8b302 Fix shared numbering for bibliography styles that use sorting (#8499)
• c3d20bf Percent-encode relative paths in cross-link URIs (#8498)
• 8fbbd5a Nicer font variant printing (#8484)
• 30d897c Fix numbering offset for bibliography with full: true and no citations (#...
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