MAINT: Correct typo

src/main/java/caosdb/server/utils/ServerMessages.java

@@ -131,7 +131,7 @@ public class ServerMessages {
       new Message(
           MessageType.Error,
           0,
-          "Cannot parse value to boolean (either 'true' or 'false, ignoring case).");
+          "Cannot parse value to boolean (either 'true' or 'false', ignoring case).");
 
   public static final Message NOT_PERMITTED = new Message(MessageType.Error, 0, "Not permitted.");