Update Ink Enhancement patch (#1334)

Also link to newly opened PR to automate publication in the repository, which
should get us back on our feet and allow us to drop the patch altogether.

ed/idlpatches/ink-enhancement.idl.patch

@@ -4,6 +4,7 @@ Date: Tue, 7 Sep 2021 16:52:30 +0200
 Subject: [PATCH] Add missing Exposed and fix nullable dictionary argument
 
 https://github.com/WICG/ink-enhancement/pull/32
+https://github.com/WICG/ink-enhancement/pull/37
 ---
  ed/idl/ink-enhancement.idl | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)
@@ -18,7 +19,7 @@ index a20729056..660e2254c 100644
 
 +[Exposed=Window]
  interface Ink {
-     Promise<InkPresenter> requestPresenter(
+     Promise<DelegatedInkTrailPresenter> requestPresenter(
 -        optional InkPresenterParam? param = null);
 +        optional InkPresenterParam param = {});
  };