Use logger parameter instead of console.log in createScraperIndexes

Accept logger as second parameter to match the pattern used by all other
functions in scraperService.js (recordScraperRun, upsertUnits, etc.).
Replaces console.log with logger.info for production code consistency.

services/scraperService.js

@@ -740,9 +740,10 @@ async function recordScraperRun(db, runData, logger) {
  * Idempotent - safe to call multiple times.
  *
  * @param {Db} db - MongoDB database instance
+ * @param {Object} logger - Logger instance
  * @returns {Promise<void>}
  */
-async function createScraperIndexes(db) {
+async function createScraperIndexes(db, logger) {
   const collection = db.collection(config.COLLECTIONS.SCRAPER_RUNS);
 
   // Compound index for querying runs by status sorted by most recent
@@ -757,7 +758,7 @@ async function createScraperIndexes(db) {
     { name: 'startedAt_desc' }
   );
 
-  console.log('Scraper indexes created successfully');
+  logger.info('Scraper indexes created successfully');
 }
 
 // ============================================================