Hit:1 Index of /debian-security bullseye-security InRelease
Hit:2 Index of /debian bullseye InRelease
Hit:3 Index of /debian bullseye-updates InRelease
Hit:4 Index of /php/ bullseye InRelease
Err:5 https://software.virtualmin.com/vm/7/pro/apt virtualmin InRelease
Could not connect to software.virtualmin.com:443 (51.158.66.131), connection timed out
Is there a maintenance windows for your server?