chore(ci): update codeowners (#2113)

Author: DerekRoberts

.github/codeowners

@@ -1,4 +1,7 @@
 # Matched against repo root (asterisk)
-*       @xiaopeng0202 @mgaseta @DerekRoberts @SLDonnelly
+*       @xiaopeng0202 @mgaseta @MCatherine1994 @SLDonnelly
+
+# Matched against directories
+/.github/workflows/       @DerekRoberts
 
 # See https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners