treewide: update homepages to https where available

Based on "problems" from repology:

https://repology.org/repository/nix_unstable/problems

Mostly simple changes to reflect redirects.

pkgs/tools/networking/ngrok-1/default.nix

@@ -28,4 +28,8 @@ buildGoPackage rec {
   '';
 
   buildFlags = [ "-tags release" ];
+
+  meta = {
+    homepage = https://ngrok.com/;
+  };
 }