Update .github/CODEOWNERS

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: spboyer

.github/CODEOWNERS

@@ -1,4 +1,4 @@
 # Default owners for everything in the repo
-# @spboyer is the primary owner, @chlowell and @richardpark-msft are additional reviewers
-# All three will be auto-assigned as reviewers on any new or opened PR
+# @spboyer is the primary owner, @chlowell, @richardpark-msft, and @wbreza are additional reviewers
+# All four will be auto-assigned as reviewers on any new or opened PR
 * @spboyer @chlowell @richardpark-msft @wbreza