Fix module definition

src/main/java/module-info.java

@@ -2,10 +2,9 @@ module cz.jezek.lab10 {
     requires transitive javafx.controls;
     requires javafx.fxml;
     requires jakarta.xml.bind;
-    requires java.sql;
     requires org.eclipse.persistence.moxy;
     requires jakarta.json;
     requires com.sun.tools.xjc;
-    opens cz.jezek.lab11;
+    opens cz.jezek.lab11 to jakarta.xml.bind;
     exports cz.jezek.lab11;
 }
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