Deprecate 3.11 (#713)

Author: Simran-B

site/data/versions.yaml

@@ -11,7 +11,7 @@
 - name: "3.11"
  version: "3.11.14"
  alias: "3.11"
- deprecated: false
+ deprecated: true
 
 - name: "3.10"
  version: "3.10.14"