Auto merge of rust-lang#10471 - xFrednet:00000-mark-version-as-released, r=flip1995

Mark Rust 1.68.0 as release in the changelog

Roses are red,
this poem is dead,
my creativity is lost,
outside there is frost?

Maybe I should really stop including a "roses are red" with every changelog PR. These are getting worse every time...

---

changelog: none
<!-- changelog_checked -->

Author: bors

CHANGELOG.md

@@ -10,7 +10,7 @@ document.
 
 ## Rust 1.68
 
-Current beta, released 2023-03-09
+Current stable, released 2023-03-09
 
 [d822110d...7f27e2e7](https://github.com/rust-lang/rust-clippy/compare/d822110d...7f27e2e7)
 
@@ -155,7 +155,7 @@ Current beta, released 2023-03-09
 
 ## Rust 1.67
 
-Current stable, released 2023-01-26
+Released 2023-01-26
 
 [4f142aa1...d822110d](https://github.com/rust-lang/rust-clippy/compare/4f142aa1...d822110d)