chore(LiquibaseMigrations.scala): organize imports and add package declaration for consistency

feat(LiquibaseMigrations.scala): add Liquibase migration change log for version 1.2.3 by jandroav

Author: jandroav

src/main/scala/io/sdkman/changelogs/LiquibaseMigrations.scala

@@ -1,3 +1,8 @@
+package io.sdkman.changelogs
+
+import com.github.mongobee.changeset.{ChangeLog, ChangeSet}
+import com.mongodb.client.MongoDatabase
+
 @ChangeLog(order = "085")
 class LiquibaseMigrations {
   @ChangeSet(order = "001", id = "001_add_liquibase_1_2_3", author = "jandroav")