Task: Fix SSH.NET SFTP Connection for SHA-2 Only Servers

Task: Fix SSH.NET SFTP Connection for SHA-2 Only Servers: a task in Terminal-Lego-15k (Harbor dataset). The Renci SSH.NET library (versions prior to 2020) has a known issue where it fails to connect to SFTP servers that have disabled SHA-1 and only support SHA-2 key exchange algorithms. The error…