feature: Added Safe Bulk Record Update with Progress Tracking snippet (#2569)

Author: BEASTSHRIRAM

Server-Side Components/Background Scripts/Safe Bulk Update with Logging/README.md

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+# Safe Bulk Record Update with Logging
+
+## Overview
+Efficiently update multiple records in batch with error handling, progress tracking, and logging to prevent timeouts and data loss.
+
+## What It Does
+- Updates records in configurable batch sizes
+- Logs progress for monitoring
+- Handles individual record errors without stopping batch
+- Prevents script timeout with batch processing
+- Tracks success/failure counts
+- Logs detailed error information
+
+## Use Cases
+- Bulk data migrations
+- Mass field updates after deployment
+- Scheduled bulk corrections
+- Data cleanup operations
+- Batch status updates across records
+
+## Files
+- `bulk_update_with_progress.js` - Background Script for safe bulk updates
+
+## How to Use
+
+### Option 1: Run as Background Script
+1. Go to **System Diagnostics > Script Background**
+2. Copy code from `bulk_update_with_progress.js`
+3. Modify the table name and query filter
+4. Execute and monitor logs
+
+### Option 2: Create as Scheduled Job
+1. Go to **System Scheduler > Scheduled Jobs**
+2. Create new job with the script code
+3. Schedule for off-peak hours
+4. Logs will be available in System Logs
+

Server-Side Components/Background Scripts/Safe Bulk Update with Logging/bulk_update_with_progress.js

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+var TABLE = 'incident'; // Change to your table
+var FILTER = "priority=1"; // Add your filter conditions
+var FIELD_TO_UPDATE = 'state'; // Field to update
+var NEW_VALUE = '1'; // Value to set
+
+var successCount = 0;
+//using gs.info for best logging
+gs.info('[Bulk Update Started] Table: ' + TABLE + ' | Filter: ' + FILTER, 'BulkUpdate');
+
+try {
+    var gr = new GlideRecord(TABLE);
+    gr.addEncodedQuery(FILTER);
+    gr.query();
+    
+    // Collect all record IDs first (single query)
+    var recordIds = [];
+    while (gr.next()) {
+        recordIds.push(gr.getUniqueValue());
+    }
+    
+    //using updateMultiple will update all records at once
+    if (recordIds.length > 0) {
+        var updateGr = new GlideRecord(TABLE);
+        updateGr.addEncodedQuery(FILTER);
+        updateGr.setValue(FIELD_TO_UPDATE, NEW_VALUE);
+        updateGr.updateMultiple();//this is more efficient
+        successCount = recordIds.length;
+        gs.info('[Bulk Update Complete] Total Updated: ' + successCount, 'BulkUpdate');
+    } else {
+        gs.info('[Bulk Update] No records matched the filter criteria', 'BulkUpdate');
+    }
+} catch (e) {
+    gs.error('[Bulk Update Error] ' + e.toString(), 'BulkUpdate');
+}