Update clean metadata file with 185491

Author: Microsoft Graph DevX Tooling

clean_beta_metadata/cleanMetadata.xml

@@ -106193,6 +106193,7 @@
         <Property Name="classification" Type="self.alertClassification" />
         <Property Name="comments" Type="Collection(self.alertComment)" />
         <Property Name="createdDateTime" Type="Edm.DateTimeOffset" />
+        <Property Name="customDetails" Type="self.dictionary" />
         <Property Name="description" Type="Edm.String" />
         <Property Name="detectionSource" Type="self.detectionSource" />
         <Property Name="detectorId" Type="Edm.String" />