Fixed type for Article.published property

Since the upgrade from 0.11.0-dev to 0.13.0-dev Fedify no longer accepts a
datetime string for the `published` property and requires a Temporal.Instant

package.json

@@ -40,6 +40,7 @@
   "dependencies": {
     "@fedify/fedify": "0.13.0-dev.318",
     "@hono/node-server": "1.11.1",
+    "@js-temporal/polyfill": "0.4.4",
     "@sentry/node": "8.13.0",
     "hono": "4.4.6",
     "knex": "3.1.0",

src/handlers.ts

@@ -18,6 +18,7 @@ import { ContextData, HonoContextVariables, fedify } from './app';
 import { getSiteSettings } from './ghost';
 import type { PersonData } from './user';
 import { ACTOR_DEFAULT_HANDLE } from './constants';
+import { Temporal } from '@js-temporal/polyfill';
 
 type StoredThing = {
     object: string | {
@@ -55,7 +56,7 @@ async function postToArticle(ctx: RequestContext<ContextData>, post: Post) {
         name: post.title,
         content: post.html,
         image: toURL(post.feature_image),
-        published: post.published_at,
+        published: Temporal.Instant.from(post.published_at),
         preview: preview,
         url: toURL(post.url),
     });

yarn.lock

@@ -365,7 +365,7 @@
     "@jridgewell/resolve-uri" "^3.1.0"
     "@jridgewell/sourcemap-codec" "^1.4.14"
 
-"@js-temporal/polyfill@^0.4.4":
+"@js-temporal/polyfill@0.4.4", "@js-temporal/polyfill@^0.4.4":
   version "0.4.4"
   resolved "https://registry.yarnpkg.com/@js-temporal/polyfill/-/polyfill-0.4.4.tgz#4c26b4a1a68c19155808363f520204712cfc2558"
   integrity sha512-2X6bvghJ/JAoZO52lbgyAPFj8uCflhTo2g7nkFzEQdXd/D8rEeD4HtmTEpmtGCva260fcd66YNXBOYdnmHqSOg==