DOC: Update MSRV doc to Rust 1.51

bluss · bluss · commit d273861cde87 · 2021-03-23T18:22:12.000+01:00
diff --git a/src/lib.rs b/src/lib.rs
@@ -19,7 +19,7 @@
 //!
 //! ## Rust Version
 //!
-//! This version of arrayvec requires Rust 1.36 or later.
+//! This version of arrayvec requires Rust 1.51 or later.
 //!
 #![doc(html_root_url="https://docs.rs/arrayvec/0.5/")]
 #![cfg_attr(not(feature="std"), no_std)]
