Add tags parameter to makeTelemetryDiagnostic

Author: mbg

lib/entry-points.js

@@ -272,6 +272,7 @@ export function makeTelemetryDiagnostic(
   id: string,
   name: string,
   attributes: { [key: string]: any },
+  tags?: DiagnosticTag[],
 ): DiagnosticMessage {
   return makeDiagnostic(id, name, {
     attributes,
@@ -280,5 +281,8 @@ export function makeTelemetryDiagnostic(
       statusPage: false,
       telemetry: true,
     },
+    source: {
+      tags,
+    },
   });
 }