fix(cph): correct nested outline hierarchy

crates/cph-typst/src/embedded.rs

@@ -60,7 +60,7 @@ pub fn resolve_render_dir() -> PathBuf {
 /// Bump when the embedded render package changes without a cph crate-version
 /// bump. Otherwise a user's old per-version cache can miss newly added package
 /// functions (such as `render-outline`).
-const RENDER_CACHE_REVISION: &str = "outline-v1";
+const RENDER_CACHE_REVISION: &str = "outline-v2";
 
 /// The version/revision-keyed cache location and a guarantee the embedded tree
 /// is present there. Returns the directory the World should use.