Bug: make kernel failure due to unsupported Ubuntu Mantic

[myrrc]

Environment

local

Steps to reproduce

make kernel

Expected result

No errors during build

Actual result

0.649 Err:5 http://security.ubuntu.com/ubuntu mantic-security Release
0.649   404  Not Found [IP: 91.189.91.83 80]
0.658 Err:6 http://archive.ubuntu.com/ubuntu mantic Release
0.658   404  Not Found [IP: 185.125.190.81 80]
0.731 Err:7 http://archive.ubuntu.com/ubuntu mantic-updates Release
0.731   404  Not Found [IP: 185.125.190.81 80]
0.787 Err:8 http://archive.ubuntu.com/ubuntu mantic-backports Release
0.787   404  Not Found [IP: 185.125.190.81 80]

Suggestion

Use 24.04 for compiling the kernel