How to upgrade ssh version from 8.2 to 8.6 in ubuntu machine

I have tried to install ssh version 8.6 with ref link . After installation when I run command "ssh -V" it shows latest version (8.6) but when I telnet it displays older version (8.2) of ssh. for Vulnerability Scan I am trying to install latest version of ssh in my Ubuntu 20.04 LTS system.

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