Merge branch 'HOLI-3277-article-filter' into 'production'

HOLI-3277: filter out less articles

See merge request holisticfoundation/holi-app-goodnews!18

app/deps.ts

@@ -2,6 +2,6 @@ export { serve } from "https://deno.land/std@0.165.0/http/server.ts";
 export {
   createSchema,
   createYoga,
-} from "https://cdn.skypack.dev/graphql-yoga@3.0.3";
+} from "https://cdn.skypack.dev/graphql-yoga@3.5.1";
 export { gql } from "https://deno.land/x/graphql_tag@0.0.1/mod.ts";
 export { useResponseCache } from "https://cdn.skypack.dev/@graphql-yoga/plugin-response-cache@1.0.3";

app/goodnews.ts

@@ -123,16 +123,12 @@ const sameLanguage =
 
 const containsMandatoryFields = (item: ContentfulItem) => {
   const { fields } = item;
-
   return (
     !!fields.datum &&
     !!fields.headline &&
-    !!fields.photoCredit &&
     !!fields.teaserText &&
-    !!fields.quelle &&
     !!fields.articleUrl &&
     !!fields.language &&
-    !!fields.categoryID &&
     typeof fields.sortKey === "number"
   );
 };