refactor: replace ignored numeric literals with constants

src/modules/investments/portfolio/infrastructure/portfolio.repository.ts

@@ -10,6 +10,8 @@ import {
 } from '../../../../integrations/tbank/tbank.api';
 import { PrismaService } from '../../../../prisma/prisma.service';
 
+const EXPECTED_UPDATED_ACCOUNTS = 1;
+
 type PortfolioAttempt = {
   attemptId: string;
   id: string;
@@ -152,7 +154,7 @@ export class PortfolioRepository {
       },
       data: { state: 'failed', errorCode: 'TBANK_UNAVAILABLE' },
     });
-    return result.count === 1;
+    return result.count === EXPECTED_UPDATED_ACCOUNTS;
   }
 }