Update auto-review assignments for site/...
Replace with people who are more focused on this now

RELNOTES: None
PiperOrigin-RevId: 427013021
diff --git a/CODEOWNERS b/CODEOWNERS
index 52f534c..7acc0ba 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -36,7 +36,7 @@
 
 # Documentation
 
-/site @aiuto @gregestren @jin @floriographygoth
+/site @gregestren @philomathing @fweikert
 
 # C++