Update Axios documentation (1.4.0)

lib/docs/scrapers/axios.rb

@@ -5,7 +5,7 @@ module Docs
       home: 'hthttps://axios-http.com/',
       code: 'https://github.com/axios/axios'
     }
-    self.release = '1.3.0'
+    self.release = '1.4.0'
     self.base_url = "https://axios-http.com/docs/"
     self.initial_paths = %w(index intro)