Use my fork of rb-sys-build

Author: jeffcharles

Cargo.lock

@@ -21,6 +21,7 @@ winch = ["wasmtime/winch"]
 [dependencies]
 lazy_static = "1.5.0"
 magnus = { version = "0.7", features = ["rb-sys"] }
+rb-sys-build = { git = "https://github.com/jeffcharles/rb-sys.git", branch = "handle-panic" }
 rb-sys = { version = "*", default-features = false, features = [
   "stable-api-compiled-fallback",
 ] }