chore: Use workspace fields for edition and publish (#23291)

This prepares us for an upcoming bump to Rust 2024 edition.

Release Notes:

- N/A

crates/html_to_markdown/Cargo.toml

@@ -5,7 +5,8 @@ description = "Convert HTML to Markdown"
 repository = "https://github.com/zed-industries/zed"
 documentation = "https://docs.rs/html_to_markdown"
 keywords = ["html", "markdown", "html-to-markdown"]
-edition = "2021"
+edition.workspace = true
+publish.workspace = true
 license = "Apache-2.0"
 
 [lints]