Adjustments after changing null-annotations for updating properties (#12221)

Signed-off-by: Jan N. Klug <github@klug.nrw>

bundles/org.openhab.binding.surepetcare/src/main/java/org/openhab/binding/surepetcare/internal/handler/SurePetcareBaseObjectHandler.java

@@ -65,7 +65,7 @@ public abstract class SurePetcareBaseObjectHandler extends BaseThingHandler {
     }
 
     @Override
-    public void updateProperties(Map<String, String> properties) {
+    public void updateProperties(@Nullable Map<String, String> properties) {
         super.updateProperties(properties);
     }