Omit possible high-sigop txs from block health score

backend/src/api/database-migration.ts

@@ -7,7 +7,7 @@ import cpfpRepository from '../repositories/CpfpRepository';
 import { RowDataPacket } from 'mysql2';
 
 class DatabaseMigration {
-  private static currentVersion = 59;
+  private static currentVersion = 60;
   private queryTimeout = 3600_000;
   private statisticsAddedIndexed = false;
   private uniqueLogs: string[] = [];
@@ -516,6 +516,11 @@ class DatabaseMigration {
       // https://github.com/mempool/mempool/issues/3360
       await this.$executeQuery(`TRUNCATE prices`);
     }
+
+    if (databaseSchemaVersion < 60 && isBitcoin === true) {
+      await this.$executeQuery('ALTER TABLE `blocks_audits` ADD sigop_txs JSON DEFAULT "[]"');
+      await this.updateToSchemaVersion(60);
+    }
   }
 
   /**