BC-6341 Revert Redis update (#4712)

apps/server/src/infra/cache/cache.module.ts

@@ -2,18 +2,19 @@ import { Configuration } from '@hpi-schul-cloud/commons/lib';
 import { CacheModule, CacheModuleOptions } from '@nestjs/cache-manager';
 import { Module } from '@nestjs/common';
 import { LegacyLogger, LoggerModule } from '@src/core/logger';
-import { redisStore } from 'cache-manager-redis-yet';
+import { create } from 'cache-manager-redis-store';
+import { RedisClient } from 'redis';
 import { CacheStoreType } from './interface';
 import { CacheService } from './service/cache.service';
 
 @Module({
 	imports: [
 		CacheModule.registerAsync({
-			useFactory: async (cacheService: CacheService, logger: LegacyLogger): Promise<CacheModuleOptions> => {
+			useFactory: (cacheService: CacheService, logger: LegacyLogger): CacheModuleOptions => {
 				if (cacheService.getStoreType() === CacheStoreType.REDIS) {
 					const redisUrl: string = Configuration.get('REDIS_URI') as string;
-					const store = await redisStore({ url: redisUrl });
-					const { client } = store;
+					const store = create({ url: redisUrl });
+					const client: RedisClient = store.getClient();
 
 					client.on('error', (error) => logger.error(error));
 					client.on('connect', (msg) => logger.log(msg));