Bump the compatibility note

cuviper · cuviper · commit 14abf2753030 · 2024-05-07T15:17:41.000-07:00
diff --git a/src/lib.rs b/src/lib.rs
@@ -12,7 +12,7 @@
 //!
 //! ## Compatibility
 //!
-//! The `num-complex` crate is tested for rustc 1.31 and greater.
+//! The `num-complex` crate is tested for rustc 1.60 and greater.
 
 #![doc(html_root_url = "https://docs.rs/num-complex/0.4")]
 #![no_std]
