Update content.json by #1554

Author: kamecha

src/content.json

@@ -3900,7 +3900,7 @@
       "title": "Visual Studio・(Neo)Vim・Visual Studio Code のそれぞれでそれぞれのファイルを開こう",
       "date": "2026-04-24",
       "runner": "kamecha",
-      "url": null,
+      "url": "https://zenn.dev/kamecha/articles/a7b304a9ba346c",
       "githubUser": "kamecha",
       "issueNumber": 1554
     },