update version in the title

pietroalbini · pietroalbini · commit ba37e8d54fef · 2020-12-31T14:33:17.000+01:00
diff --git a/posts/2020-12-31-Rust-1.49.0.md b/posts/2020-12-31-Rust-1.49.0.md
@@ -1,6 +1,6 @@
 ---
 layout: post
-title: "Announcing Rust 1.40.0"
+title: "Announcing Rust 1.49.0"
 author: The Rust Release Team
 release: true
 ---
