♻️ refactor: Swagger 버전 변경 (0.3.2 -> 0.4.0)

Author: rlawngjs0313

src/main/java/com/example/scoi/global/config/SwaggerConfig.java

@@ -14,7 +14,7 @@ public class SwaggerConfig {
 
     @Bean
     public OpenAPI swagger() {
-        Info info = new Info().title("스코이").description("스코이 Swagger").version("0.3.2");
+        Info info = new Info().title("스코이").description("스코이 Swagger").version("0.4.0");
 
         // JWT 토큰 헤더 방식
         String securityScheme = "JWT TOKEN";