synchronize CODEOWNERS with file tree (#46041)

Co-authored-by: Lilith Hafner <Lilith.Hafner@gmail.com>

Author: LilithHafner

.github/CODEOWNERS

@@ -2,5 +2,5 @@ CODEOWNERS @JuliaLang/github-actions
 /.github/ @JuliaLang/github-actions
 /.buildkite/ @JuliaLang/github-actions
 
-/.github/workflows/retry.yml @DilumAluthge
+/.github/workflows/rerun_failed.yml @DilumAluthge
 /.github/workflows/statuses.yml @DilumAluthge