[tr064] Fixed wrong pattern to normalize phone numbers (#10660)

Signed-off-by: Christoph Weitkamp <github@christophweitkamp.de>

bundles/org.openhab.binding.tr064/src/main/java/org/openhab/binding/tr064/internal/phonebook/Tr064PhonebookImpl.java

@@ -93,6 +93,6 @@ public class Tr064PhonebookImpl implements Phonebook {
 
     private String normalizeNumber(String number) {
         // Naive normalization: remove all non-digit characters
-        return number.replaceAll("[^0-9]\\+\\*", "");
+        return number.replaceAll("[^0-9\\*\\+]", "");
     }
 }