There is a problem with installing CITUS 12.0 in postgre15

[banana1998-sudo]

sudo apt-get install postgresql-15-citus-12.0
[sudo] password for xxxxx:
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package postgresql-15-citus-12.0
E: Couldn't find any package by glob 'postgresql-15-citus-12.0'
E: Couldn't find any package by regex 'postgresql-15-citus-12.0'

Hi.
I have this problem when configuring citus12.0, is there any way to solve it?

Thanks！

[banana1998-sudo]

sudo bash add-citus-repo.sh
Detected operating system as Ubuntu/jammy.
Running apt-get update... done.
Checking for curl...
Detected curl...
Checking for gpg...
Detected gpg...
Checking for postgresql-16...
Detected postgresql-16...
Installing apt-transport-https... done.
Installing /etc/apt/sources.list.d/citusdata_community.list... done.
Importing Citus Data Community gpg key... curl: (35) OpenSSL SSL_connect: Connection reset by peer in connection to d3fo0g5hm7lbuv.cloudfront.net:443
gpg: no valid OpenPGP data found.
done.
Running apt-get update... done.

The repository is set up! You can now install packages.