Add to changelog

Author: christopherkenny

news/changelog-1.9.md

@@ -22,6 +22,7 @@ All changes included in 1.9:
 ### `typst`
 
 - ([#13362](https://github.com/quarto-dev/quarto-cli/issues/13362)): Remove unused `blockquote` definitions from template.
+- ([#13452](https://github.com/quarto-dev/quarto-cli/issues/13452)): Wraps subfigure captions generated by `quarto_super()` in `block` function to avoid emitting `par` elements. (author: @christopherkenny)
 
 ## `publish`