Release Wasmtime 6.0.0 (#5837)

wasmtime-publish · web-flow · commit c00d3f054285 · 2023-02-20T09:10:08.000-06:00
[automatically-tag-and-release-this-commit]

Co-authored-by: Wasmtime Publish &lt;wasmtime-publish@users.noreply.github.com&gt;
diff --git a/RELEASES.md b/RELEASES.md
@@ -2,7 +2,7 @@
 
 ## 6.0.0
 
-Unreleased.
+Released 2023-02-20.
 
 ### Added
 
