Add authors to blog posts and shorten some summaries (#3940)

packages/blog/compiled/carbon_ads.ts

@@ -2,9 +2,9 @@
 export const article = {
   html: () => import(`./carbon_ads.content`).then((m) => m.html),
   title: "Modrinth's Carbon Ads experiment",
-  summary:
-    "As a step towards implementing author payouts, we're experimenting with a couple different ad providers to see which one works the best for us.",
+  summary: 'Experimenting with a different ad providers to find one which one works for us.',
   date: '2022-09-08T00:00:00.000Z',
   slug: 'carbon-ads',
+  authors: ['6plzAzU4'],
   thumbnail: true,
 }