Adding in missing link between actionPlatform and DigitalPlatformEnumeration.

For #3057

Author: danbri

data/schema.ttl

@@ -3989,7 +3989,7 @@ See also the <a href="/docs/hotels.html">dedicated document on the use of schema
     rdfs:label "actionPlatform" ;
     :domainIncludes :EntryPoint ;
     :rangeIncludes :Text,
-        :URL ;
+        :URL, :DigitalPlatformEnumeration ;
     rdfs:comment "The high level platform(s) where the Action can be performed for the given URL. To specify a specific application or operating system instance, use actionApplication." .
 
 :actionStatus a rdf:Property ;