chore: bump requirement

Author: mcanouil

_extensions/code-window/_extension.yml

@@ -1,7 +1,7 @@
 title: Code Window
 author: Mickaël Canouil
 version: 0.1.1
-quarto-required: ">=1.6"
+quarto-required: ">=1.9.23"
 contributes:
   filters:
     - at: pre-quarto