dev: change link key to url

Author: gildesmarais

lib/html2rss/configs/microsoft.com/azure-products.yml

@@ -6,8 +6,8 @@ selectors:
     selector: ".card-body"
   title:
     selector: ".h5"
-  link: # <-- html2rss v0.17.0 does not seem to work with url here
+  url:
     selector: ".link-group a:first-of-type"
     extractor: "href"
   description:
-    selector: "p"
+    selector: "p"