Redis timeout 설정 타입 미스매치 오류 수정

- Redis timeout 값을 문자열('2000ms')에서 숫자(2000)로 변경
- lettuce pool max-wait 값도 동일하게 수정
- 영향 서비스: bill-service, product-service, user-service
- TypeMismatchException 해결로 런타임 오류 수정

bill-service/src/main/resources/application.yml

@@ -41,13 +41,13 @@ spring:
       host: ${REDIS_HOST:localhost}
       port: ${REDIS_PORT:6379}
       password: ${REDIS_PASSWORD:}
-      timeout: 2000ms
+      timeout: 2000
       lettuce:
         pool:
           max-active: 8
           max-idle: 8
           min-idle: 0
-          max-wait: -1ms
+          max-wait: -1
       database: ${REDIS_DATABASE:2}
 
   # Cache 개발 설정 (TTL 단축)

product-service/src/main/resources/application.yml

@@ -37,13 +37,13 @@ spring:
       host: ${REDIS_HOST:localhost}
       port: ${REDIS_PORT:6379}
       password: ${REDIS_PASSWORD:}
-      timeout: 2000ms
+      timeout: 2000
       lettuce:
         pool:
           max-active: 8
           max-idle: 8
           min-idle: 0
-          max-wait: -1ms
+          max-wait: -1
       database: ${REDIS_DATABASE:2}
 
   # Cache 개발 설정 (TTL 단축)

user-service/src/main/resources/application.yml

@@ -39,13 +39,13 @@ spring:
       host: ${REDIS_HOST:localhost}
       port: ${REDIS_PORT:6379}
       password: ${REDIS_PASSWORD:}
-      timeout: 2000ms
+      timeout: 2000
       lettuce:
         pool:
           max-active: 8
           max-idle: 8
           min-idle: 0
-          max-wait: -1ms
+          max-wait: -1
       database: ${REDIS_DATABASE:0}
 
   # Jackson 설정