Vulnerability dashboard: batch Host record creation (#19595)

Changes:
- Updated the `update-reports` script to create new host records in
batches.

ee/vulnerability-dashboard/scripts/update-reports.js

@@ -386,7 +386,10 @@ module.exports = {
         sails.log.warn(`Dry run: ${hostRecordsToUpdate.length} hosts will be updated with new information. (Fleet returned them in the API.)`);
       } else {
         sails.log(`Creating ${newRecordsForUnrecognizedHosts.length} host records… `);
-        await Host.createEach(newRecordsForUnrecognizedHosts);
+        let batchedNewRecordsForUnrecognizedHosts = _.chunk(newRecordsForUnrecognizedHosts, 500);
+        for(let batch of batchedNewRecordsForUnrecognizedHosts){
+          await Host.createEach(batch);
+        }
         for(let hostUpdate of hostRecordsToUpdate){
           await Host.updateOne({id: hostUpdate.id}).set(_.omit(hostUpdate, 'id'));
         }
@@ -696,7 +699,10 @@ module.exports = {
         totalNumberOfHostRecordsCreated += newRecordsForUnrecognizedHosts.length;
         totalNumberOfHostRecordsUpdated += hostRecordsToUpdate.length;
         sails.log.verbose(`Creating ${newRecordsForUnrecognizedHosts.length} new host records…`);
-        await Host.createEach(newRecordsForUnrecognizedHosts);
+        let batchedNewRecordsForUnrecognizedHosts = _.chunk(newRecordsForUnrecognizedHosts, 500);
+        for(let batch of batchedNewRecordsForUnrecognizedHosts){
+          await Host.createEach(batch);
+        }
         sails.log.verbose(`Updating ${hostRecordsToUpdate.length} host records…`);
         for(let hostUpdate of hostRecordsToUpdate){
           await Host.updateOne({id: hostUpdate.id}).set(_.omit(hostUpdate, 'id'));