chore(deps): bump markdown-it from 14.3.0 to 15.0.0 in the production group across 1 directory

[dependabot]

Bumps the production group with 1 update in the / directory: markdown-it.

Updates markdown-it from 14.3.0 to 15.0.0

Changelog

Sourced from markdown-it's changelog.

[15.0.0] - 2026-07-30

Added

• Exposed parser internals classes as static properties on markdownit.
• Bundled TypeScript declarations. Remove @types/markdown-it if you used it.
• Added the markdown-it/browser export with bundled ESM and UMD builds.
• Added colored CLI help on supported terminals via argparse 3.
• Added reference labels to link/image tokens, #938.
• Added reference_definition tokens. They remain stripped by default for backwards compatibility, #1055. Also adjusted the line-break heuristic to keep output exactly the same.

Changed

• [breaking] linkify-it => v6
  • No fuzzy links by default.
  • No auth part check by default.
  • Unicode punctuation terminates the link by default (should help with CJK).
  • See linkify-it changelog for other changes.
• Package root now resolves to prebuilt ESM and CJS files instead of raw sources. Distribution files were reorganized under dist/ and dist/browser/.
• Migrated to Typescript.
• entities => v8. Can be rolled back to v7 if compatibility issues happen.
• Moved validateLink, normalizeLink and normalizeLinkText from properties to prototype methods.
• Reworked issue templates and contribution guidelines.

Removed

• [breaking] Removed package-internal subpath exports (markdown-it/lib/* and similar). Use the static classes exposed on markdownit instead.
• [breaking] Removed obsolete StateBlock#ddIndent, #1139. Update markdown-it-deflist to keep it working.

Fixed

• Preserve a literal backslash before a terminating space in link destinations, matching CommonMark 6.3, #1188.
• Recognize lowercase declarations as HTML blocks, matching CommonMark 4.6, #1189.
• Require semicolons for named entities in all decoding paths, completing the fix for #1096.
• Enhanced the text_join rule to process image alt text.
• Include inline code content in image alt text, #1142.

Commits

• 157b33b 15..0.0 released
• f73cb76 doc: rename files
• 3bc8e2d Add TS types
• 2620dce Update contribution guidelines and issue templates
• 7d365fe doc: migration info
• 5c9b7ce Update changelog
• 5a996d5 doc: fix @example tags display
• f5083f4 doc: continue restructuring & theme fixing
• 54289c4 Show inline code content in image alt tag #1142
• 974e2d7 text_join rule fix: process image alt content too (fixes lost escapes and...
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