dev: update codeowners to practicalli-johnny

Author: practicalli-johnny

.github/CODEOWNERS

@@ -3,5 +3,4 @@
 # Default owner accounts for the current repository
 # Automatically added as a reviewr to all pull requests (not including drafts)
 
-*  @practicalli-john
-
+*  @practicalli-johnny

CHANGELOG.md

@@ -11,6 +11,7 @@
 - install: recommended OpenJDK versions of 17 and 21 as hint
 - editor: refactor Clojure LSP page and format for Material for MkDocs
 - editor: update Clojure LSP page and included Practicalli Clojure LSP Config via external url
+- dev: update codeowners to practicalli-johnny
 
 ## Added
 - button link to Clojure CLI releases changelog to view available versions