fix i18n for bindings (#14235)

Also-By: Jacob Laursen <jacob-github@vindvejr.dk>
Signed-off-by: Jan N. Klug <github@klug.nrw>

bundles/org.openhab.binding.lametrictime/src/main/resources/OH-INF/i18n/lametrictime.properties

@@ -1,7 +1,7 @@
-# binding
+# add-on
 
-binding.lametrictime.name = LaMetric Time Binding
-binding.lametrictime.description = This is the binding for LaMetric Time.
+addon.lametrictime.name = LaMetric Time Binding
+addon.lametrictime.description = This is the binding for LaMetric Time.
 
 # thing types