Task: Fix SSH2 Public Key Authentication Failure After Debian 12 / PHP 8.2 Upgrade

Task: Fix SSH2 Public Key Authentication Failure After Debian 12 / PHP 8.2 Upgrade: a task in Terminal-Lego-15k (Harbor dataset). After upgrading to Debian 12 (Bookworm) with PHP 8.2, SSH2 public key authentication via PHP's ssh2 auth pubkey file() function fails with the error: