Update Deno documentation (1.18.0)

lib/docs/scrapers/deno.rb

@@ -2,7 +2,7 @@ module Docs
   class Deno < UrlScraper
     self.name = 'Deno'
     self.type = 'simple'
-    self.release = '1.17.2'
+    self.release = '1.18.0'
     self.base_url = 'https://doc.deno.land/deno/stable/'
     self.links = {
       home: 'https://deno.land/',