fix: handle cache tags for service tokens

utils/generateTag.ts

@@ -99,3 +99,13 @@ export function generateLoyaltyConfigTag(
 ) {
   return `${lang}:loyalty_config:${contentTypeUid}:${id}`
 }
+
+/**
+ * Function to generate tags for service tokens
+ *
+ * @param serviceTokenScope scope of service token
+ * @returns string
+ */
+export function generateServiceTokenTag(serviceTokenScopes: string[]) {
+  return `service_token:${serviceTokenScopes.join("-")}`
+}