fix(keppel): fix copy-paste error

Author: majewsky

plugins/keppel/app/javascript/widgets/app/components/gc_policies/row.jsx

@@ -145,7 +145,7 @@ const GCPoliciesEditRow = ({
                 <>
                   {" but not regex "}
                   <TextInput
-                    value={policy.match_tag}
+                    value={policy.except_tag}
                     isEditable={isEditable}
                     onChange={(e) => {
                       setPolicyAttribute(index, "except_tag", e.target.value)