fix: lock maturin version

Author: HerringtonDarkholme

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["maturin>=1.1,<2.0"]
+requires = ["maturin=1.2.1"]
 build-backend = "maturin"
 
 [project]
@@ -40,4 +40,4 @@ Changelog = "https://github.com/ast-grep/ast-grep/blob/main/CHANGELOG.md"
 [tool.maturin]
 bindings = "bin"
 manifest-path = "crates/cli/Cargo.toml"
-strip = true
+strip = true