@astrojs/markdown-satteri@0.4.2

#17946 3fd16ee Thanks @odysseus0! - Fix syntax highlighting for fenced code blocks when raw HTML is enabled.
#18046 8358d59 Thanks @Princesseuh! - Fixes satteriHeadingIdsPlugin sharing Slugger state across documents when reused as a user hast plugin, which caused headings with the same text in different posts to receive incorrect numeric suffixes