Error on apt update related to expired GPG key for mysql repositories
curl https://repo.mysql.com/RPM-GPG-KEY-mysql-2023 | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/webstackup-mysql.gpg > /dev/null
if the previous command don’t work , delete the expired forced with the followind command:
apt-key del EXPIRED_KEY