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.icalendar/src/main/resources/OH-INF/i18n/icalendar.properties

@@ -1,7 +1,7 @@
-# binding
+# add-on
 
-binding.icalendar.name = iCalendar Binding
-binding.icalendar.description = Binding for using iCal calendars
+addon.icalendar.name = iCalendar Binding
+addon.icalendar.description = Binding for using iCal calendars
 
 # thing types
 

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

@@ -1,7 +1,7 @@
-# binding
+# add-on
 
-binding.icalendar.name = iCalendar Binding
-binding.icalendar.description = Binding zur Nutzung von iCal-Kalendern (z.B. als Präsenz-Schalter oder zum Abruf von Terminen).
+addon.icalendar.name = iCalendar Binding
+addon.icalendar.description = Binding zur Nutzung von iCal-Kalendern (z.B. als Präsenz-Schalter oder zum Abruf von Terminen).
 
 # thing types
 

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

@@ -1,7 +1,7 @@
-# binding
+# add-on
 
-binding.icalendar.name = Extension iCalendar
-binding.icalendar.description = Extension destinée à l'utilisation des calendriers iCal
+addon.icalendar.name = Extension iCalendar
+addon.icalendar.description = Extension destinée à l'utilisation des calendriers iCal
 
 # thing types
 

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

@@ -1,7 +1,7 @@
-# binding
+# add-on
 
-binding.icalendar.name = Binding iCalendar
-binding.icalendar.description = Binding per usare calendari iCal
+addon.icalendar.name = Binding iCalendar
+addon.icalendar.description = Binding per usare calendari iCal
 
 # thing types