Merge pull request #317 from quarto-dev/release/v0.4.0

chore(release): bump workspace version to 0.4.0

Author: cscheid

Cargo.lock

@@ -23,7 +23,7 @@ exclude = [
 resolver = "2"
 
 [workspace.package]
-version = "0.3.0"
+version = "0.4.0"
 authors = ["Posit Software, PBC"]
 homepage = "https://github.com/posit-dev/quarto-markdown-syntax"
 keywords = ["parser"]