Fix changelog typo

Author: thespad

readme-vars.yml

@@ -85,5 +85,5 @@ init_diagram: |
   "manyfold:latest" <- Base Images
 # changelog
 changelogs:
-  - {date: "12.01.25:", desc: "Rebase to 3.21."}
+  - {date: "12.01.25:", desc: "Rebase to Alpine 3.21."}
   - {date: "23.07.24:", desc: "Initial Release."}