Create congratulations bot (#5404)

- Created congratulations bot :
<img width="939" alt="Screenshot 2024-05-14 at 12 47 13"
src="https://github.com/twentyhq/twenty/assets/102751374/5138515f-fe4d-4c6d-9c7a-0240accbfca9">

- Modified OG image

- Added png extension to OG image route

To be noted: The bot will not work until the new API route is not
deployed. Please check OG image with Cloudflare cache.

---------

Co-authored-by: Ady Beraud <a.beraud96@gmail.com>

packages/twenty-utils/package.json

@@ -4,6 +4,7 @@
   "scripts": {
     "nx": "NX_DEFAULT_PROJECT=twenty-front node ../../node_modules/nx/bin/nx.js",
     "danger:ci": "danger ci --use-github-checks --failOnErrors",
+    "danger:congratulate": "danger ci --dangerfile ./congratulate-dangerfile.ts --use-github-checks --failOnErrors",
     "release": "node release.js"
   }
 }