MM-60335: Upgrade to typescript 5.5.4 (#28099)

Co-authored-by: Mattermost Build <build@mattermost.com>

webapp/channels/package.json

@@ -96,7 +96,7 @@
     "timezones.json": "1.6.1",
     "tinycolor2": "1.4.2",
     "turndown": "7.1.1",
-    "typescript": "5.3.3",
+    "typescript": "5.5.4",
     "web-vitals": "4.2.0",
     "zen-observable": "0.9.0"
   },

webapp/channels/src/components/channel_bookmarks/channel_bookmarks_create_modal.tsx

@@ -666,8 +666,6 @@ export const useBookmarkLinkValidation = (link: string, onValidated: (validatedL
             try {
                 await fetch(url, {
                     mode: 'no-cors',
-
-                    // @ts-expect-error AbortSignal.any exists; remove this directive when next TS upgrade
                     signal: AbortSignal.any([signal, AbortSignal.timeout(REQUEST_TIMEOUT)]),
                 });
                 onValidated(link);