v0.4.0

What's Changed

• feat: port source-exact Markdown preservation by @jlevy in #81
• deps: bump rayon from 1.11.0 to 1.12.0 by @dependabot[bot] in #71
• ci: fix release-profile test discovery and pin every action to a SHA by @jlevy in #82
• chore: sync the upstream pin to the reference's merged main by @jlevy in #83
• chore: sync the upstream pin and re-bundle the reference docs by @jlevy in #84
• fix(wrapping): measure period escapes at their rendered width by @jlevy in #85
• chore: advance the upstream pin to the merged Python fixes by @jlevy in #86
• Prepare synchronized flowmark-rs 0.4.0 release by @jlevy in #97

Full Changelog: v0.3.2...v0.4.0