Add option to specify URL of cache server

action.yml

@@ -14,6 +14,9 @@ inputs:
   upload-chunk-size:
     description: 'The chunk size used to split up large files during upload, in bytes'
     required: false
+  cache-url:
+    description: 'The URL of the cache server'
+    required: false
 outputs:
   cache-hit:
     description: 'A boolean value to indicate an exact match was found for the primary key'