.deb packages install files into /usr/local

[Lastique]

Describe the bug

As was reported in e373d8c, the released .deb packages install executables into /usr/local/bin, which is not the normal location for executables installed by packages.

Expected behavior

Executables should be installed in /usr/bin.

To Reproduce

1. dpkg -i tcconfig_0.28.1_jammy_amd64.deb
2. which tcshow

Environments

Kubuntu 22.04, tcconfig_0.28.1_jammy_amd64.deb.