When installing mysql on debian bookworm return keysign expiration
B7B3B788A8D3785C on new installations .
simply download and use mysql-apt-config_0.8.29-1_all.deb
# cd /tmp/
# wget https://dev.mysql.com/get/mysql-apt-config_0.8.29-1_all.deb
# dpkg -i mysql-apt-config_0.8.29-1_all.deb
# apt-get update ; apt-get upgrade