[WebCodecs] Disable tests in Win

https://bugs.webkit.org/show_bug.cgi?id=247116
rdar://problem/101623753

Unreviewed.

* LayoutTests/platform/win/TestExpectations:

Canonical link: https://commits.webkit.org/256054@main

LayoutTests/platform/win/TestExpectations

@@ -175,6 +175,9 @@ http/tests/referrer-policy-img/unsafe-url/cross-origin-http.https.html [ Skip ]
 # Tests that rely on custom domain names.
 imported/w3c/web-platform-tests/html/browsers/browsing-the-web/overlapping-navigations-and-traversals/tentative/nav-cancelation-2.sub.html [ Skip ]
 
+http/wpt/webcodecs [ Skip ]
+imported/w3c/web-platform-tests/webcodecs [ Skip ]
+
 # Shared workers are only implemented for WebKit2.
 http/tests/navigation/page-cache-shared-worker.html [ Skip ]
 imported/w3c/web-platform-tests/content-security-policy/connect-src/shared-worker-connect-src-allowed.sub.html [ Skip ]