build(rust): vendor rnix parser crate

third_party/crates/rowan-0.16.1/Cargo.toml.orig

@@ -0,0 +1,29 @@
+[package]
+name = "rowan"
+version = "0.16.1"
+authors = ["Aleksey Kladov <aleksey.kladov@gmail.com>"]
+repository = "https://github.com/rust-analyzer/rowan"
+license = "MIT OR Apache-2.0"
+description = "Library for generic lossless syntax trees"
+edition = "2021"
+rust-version = "1.77.0"
+exclude = [".github/", "bors.toml", "rustfmt.toml"]
+
+[workspace]
+members = ["xtask"]
+
+[dependencies]
+rustc-hash = "1.0.1"
+hashbrown = { version = "0.14.3", features = [
+    "inline-more",
+], default-features = false }
+text-size = "1.1.0"
+countme = "3.0.0"
+
+serde = { version = "1.0.89", optional = true, default-features = false }
+
+[dev-dependencies]
+m_lexer = "0.0.4"
+
+[features]
+serde1 = ["serde", "text-size/serde"]