[3.14] Notify Sviat of GHA changes through codeowners (GH-143945) (#144051)

(cherry picked from commit 78b1370)

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>

Author: webknjaz

.github/CODEOWNERS

@@ -5,7 +5,7 @@
 # https://git-scm.com/docs/gitignore#_pattern_format
 
 # GitHub
-.github/**                    @ezio-melotti @hugovk @AA-Turner
+.github/**                    @ezio-melotti @hugovk @AA-Turner @webknjaz
 
 # pre-commit
 .pre-commit-config.yaml       @hugovk