[IMP] codeowners: exclude some files for RD-Website

Using a new team rd-notif-muted

closes odoo#65997

Signed-off-by: Sébastien Theys (seb) <seb@odoo.com>

Author: JKE-be

.github/CODEOWNERS

@@ -36,6 +36,8 @@
 /addons/*/models/ir_qweb.py @odoo/rd-website
 /addons/*/models/ir_qweb_fields.py @odoo/rd-website
 /addons/website*/ @odoo/rd-website
+/addons/website_event*/ @odoo/rd-notif-muted
+/addons/website_slides*/ @odoo/rd-notif-muted
 
 
 # Specific rules