fix(캐릭터 성격특성): description SQL 컬럼 타입 TEXT로 변경

src/main/kotlin/kr/co/vividnext/sodalive/chat/character/ChatCharacterPersonality.kt

@@ -1,6 +1,7 @@
 package kr.co.vividnext.sodalive.chat.character
 
 import kr.co.vividnext.sodalive.common.BaseEntity
+import javax.persistence.Column
 import javax.persistence.Entity
 import javax.persistence.FetchType
 import javax.persistence.JoinColumn
@@ -16,6 +17,7 @@ class ChatCharacterPersonality(
     val trait: String,
 
     // 성격 특성 설명
+    @Column(columnDefinition = "TEXT", nullable = false)
     val description: String,
 
     @ManyToOne(fetch = FetchType.LAZY)