Updates for Quarkus 3.

Change-Id: I14aff18aa1e31944619dfb6cc57955484227b298
diff --git a/src/main/java/eu/mulk/mulkcms2/benki/newsletter/Newsletter.java b/src/main/java/eu/mulk/mulkcms2/benki/newsletter/Newsletter.java
index 3d9a3fe..64fd6f7 100644
--- a/src/main/java/eu/mulk/mulkcms2/benki/newsletter/Newsletter.java
+++ b/src/main/java/eu/mulk/mulkcms2/benki/newsletter/Newsletter.java
@@ -2,15 +2,15 @@
 
 import eu.mulk.mulkcms2.benki.posts.Post;
 import io.quarkus.hibernate.orm.panache.PanacheEntityBase;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.Id;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.OrderBy;
+import jakarta.persistence.Table;
 import java.time.OffsetDateTime;
 import java.util.Collection;
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.FetchType;
-import javax.persistence.Id;
-import javax.persistence.OneToMany;
-import javax.persistence.OrderBy;
-import javax.persistence.Table;
 
 @Entity
 @Table(name = "newsletters", schema = "benki")