refactor(server): standarderlize metrics and trace with OTEL (#5054)

you can now export span to Zipkin and metrics to Prometheus when developing locally
follow the docs of OTEL: https://opentelemetry.io/docs/instrumentation/js/exporters/

<img width="2357" alt="image" src="https://github.com/toeverything/AFFiNE/assets/8281226/ec615e1f-3e91-43f7-9111-d7d2629e9679">

packages/backend/server/tests/doc.spec.ts

@@ -10,7 +10,6 @@ import { Doc as YDoc, encodeStateAsUpdate } from 'yjs';
 
 import { CacheModule } from '../src/cache';
 import { Config, ConfigModule } from '../src/config';
-import { MetricsModule } from '../src/metrics';
 import { DocManager, DocModule } from '../src/modules/doc';
 import { PrismaModule, PrismaService } from '../src/prisma';
 import { flushDB } from './utils';
@@ -19,7 +18,6 @@ const createModule = () => {
   return Test.createTestingModule({
     imports: [
       PrismaModule,
-      MetricsModule,
       CacheModule,
       EventEmitterModule.forRoot(),
       ConfigModule.forRoot(),