Use GITHUB_DOTCOM_URL so URL deduplication works

Author: robertbrignull

lib/util.js

@@ -189,7 +189,7 @@ export function parseGithubUrl(inputUrl: string): string {
   // If we detect this is trying to be to github.com
   // then return with a fixed canonical URL.
   if (url.hostname === "github.com" || url.hostname === "api.github.com") {
-    return "https://github.com/";
+    return GITHUB_DOTCOM_URL;
   }
 
   // Remove the API prefix if it's present
@@ -201,10 +201,5 @@ export function parseGithubUrl(inputUrl: string): string {
     url.hostname = url.hostname.substring(4);
   }
 
-  // Normalise path to having a trailing slash for consistency
-  if (!url.pathname.endsWith("/")) {
-    url.pathname = `${url.pathname}/`;
-  }
-
   return url.toString();
 }