Adding a second SSL certificate to existing VPS

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Thanks @rg305 for your reply. Here are the results :

Found the following certs:
  Certificate Name: ai.update.team
    Serial Number: 403b20bc5dc656b854744120f86a73edb5d
    Key Type: ECDSA
    Domains: ai.update.team
    Expiry Date: 2023-12-25 14:56:00+00:00 (VALID: 52 days)
    Certificate Path: /etc/letsencrypt/live/ai.update.team/fullchain.pem
    Private Key Path: /etc/letsencrypt/live/ai.update.team/privkey.pem

Whats certbot version I should use for ubuntu 22.04 ?