Update Rust crate comrak to v0.19.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
comrak	dependencies	minor	=0.18.0 -> =0.19.0

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Release Notes

kivikakk/comrak (comrak)

v0.19.0

Compare Source

• Simplify anchorize() by @​kornelski in https://github.com/kivikakk/comrak/pull/297
• Use footnote name for reference id by @​digitalmoksha in https://github.com/kivikakk/comrak/pull/300
• Escape footnote name by @​digitalmoksha in https://github.com/kivikakk/comrak/pull/308
• Add in-doc labels for public facing features by @​CosmicHorrorDev in https://github.com/kivikakk/comrak/pull/304
• build(deps): bump xml-rs from 0.8.4 to 0.8.14 by @​dependabot in https://github.com/kivikakk/comrak/pull/312
• Handle footnote names that have been parsed into multiple nodes by @​digitalmoksha in https://github.com/kivikakk/comrak/pull/311
• Sync with cmark-gfm-0.29.0.gfm.3 by @​digitalmoksha in https://github.com/kivikakk/comrak/pull/313
• Sync with cmark-gfm-0.29.0.gfm.4 by @​digitalmoksha in https://github.com/kivikakk/comrak/pull/314
• Sync with cmark-gfm-0.29.0.gfm.5 by @​digitalmoksha in https://github.com/kivikakk/comrak/pull/315
• Fix backslash in a link issue by @​vpetrigo in https://github.com/kivikakk/comrak/pull/317
• Sync with cmark-gfm-0.29.0.gfm.7 by @​digitalmoksha in https://github.com/kivikakk/comrak/pull/318
• Rename ComrakFoo types to just Foo for easier usage by @​tgross35 in https://github.com/kivikakk/comrak/pull/320
• Make ComrakExtensionOptions non-exhaustive by @​CosmicHorrorDev in https://github.com/kivikakk/comrak/pull/305
• Add builder derive and non_exhaustive for option structs by @​YJDoc2 in https://github.com/kivikakk/comrak/pull/292
• add PartialEq and Eq derive for Ast and its components by @​YJDoc2 in https://github.com/kivikakk/comrak/pull/322
• Sync with cmark-gfm-0.29.0.gfm.11 by @​digitalmoksha in https://github.com/kivikakk/comrak/pull/319
• Fix autolink detection inside wiki style link brackets by @​digitalmoksha in https://github.com/kivikakk/comrak/pull/325
• Add CI for running benchmarks by @​YJDoc2 in https://github.com/kivikakk/comrak/pull/326
• Make adapters Send + Sync by @​lucperkins in https://github.com/kivikakk/comrak/pull/337
• docs: fix-up broken docs.rs link by @​silverjam in https://github.com/kivikakk/comrak/pull/341
• Use github/cmark-gfm submodule by @​digitalmoksha in https://github.com/kivikakk/comrak/pull/344
• Sync with cmark-gfm-0.29.0.gfm.12 by @​digitalmoksha in https://github.com/kivikakk/comrak/pull/343
• Sync with cmark-gfm-0.29.0.gfm.13 by @​digitalmoksha in https://github.com/kivikakk/comrak/pull/345

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