fix : is_previous 컬럼 자료형 boolean 수정

src/main/java/in/koreatech/koin/domain/version/model/Version.java

@@ -49,7 +49,7 @@ public class Version extends BaseEntity {
     @OneToMany(mappedBy = "version", orphanRemoval = true, cascade = ALL, fetch = FetchType.EAGER)
     private List<VersionContent> contents = new ArrayList<>();
 
-    @Column(name = "is_previous")
+    @Column(name = "is_previous", columnDefinition = "TINYINT")
     private boolean isPrevious;
 
     @Builder

src/main/resources/db/migration/V63__alter_table_versions_alter_column_is_previous.sql

@@ -0,0 +1,2 @@
+ALTER TABLE versions
+    MODIFY COLUMN `is_previous` TINYINT(1);