fix(server): wrap read-modify-write apis with distributed lock (#6142)

packages/backend/server/src/app.module.ts

@@ -28,6 +28,7 @@ import { GqlModule } from './fundamentals/graphql';
 import { HelpersModule } from './fundamentals/helpers';
 import { MailModule } from './fundamentals/mailer';
 import { MetricsModule } from './fundamentals/metrics';
+import { MutexModule } from './fundamentals/mutex';
 import { PrismaModule } from './fundamentals/prisma';
 import { StorageProviderModule } from './fundamentals/storage';
 import { RateLimiterModule } from './fundamentals/throttler';
@@ -39,6 +40,7 @@ export const FunctionalityModules = [
   ScheduleModule.forRoot(),
   EventModule,
   CacheModule,
+  MutexModule,
   PrismaModule,
   MetricsModule,
   RateLimiterModule,