Finish the post-messages script earlier
The post-messages have been running for more than 15 hours now even if it does not take more than 2 minutes to complete.

https://cd.internal.huggingface.tech/applications/argo-cd/datasets-server-prod?view=pods&node=%2FPod%2Fdatasets-server%2Fprod-datasets-server-job-post-messages-28412650-w4x4c%2F0

<img width="897" alt="Capture d’écran 2024-01-09 à 15 42 33" src="https://github.com/huggingface/datasets-server/assets/1676121/85a02b83-dccd-4b8a-8fa9-d7ac381242fe">

Finish the post-messages script earlier: The post-messages have been running for more than 15 hours now even if it does not take more than 2 minutes to complete.

https://cd.internal.huggingface.tech/applications/argo-cd/datasets-server-prod?view=pods&node=%2FPod%2Fdatasets-server%2Fprod-datasets-server-job-post-messages-28412650-w4x4c%2F0

<img width="897" alt="Capture d’écran 2024-01-09 à 15 42 33" src="https://github.com/huggingface/datasets-server/assets/1676121/85a02b83-dccd-4b8a-8fa9-d7ac381242fe">
