[Nexthop] rename showtech files

[andrew-nexthop]

Pre-submission checklist

• I've ran the linters locally and fixed lint errors related to the files I modified in this PR. You can install the linters by running pip install -r requirements-dev.txt && pre-commit install
• pre-commit run

Summary

898081b renamed binary to rma-showtech

Test Plan

# rma-showtech --details host
I0408 01:34:39.757479  3941 PlatformNameLib.cpp:96] Platform name read from cache: WEDGE800BACT

##### Host Information #####

#### SYSTEM TIME ####
Wed Apr  8 01:34:39 AM UTC 2026

#### HOSTNAME ####
wdg101

#### Linux Kernel Version ####
6.11.1-1.fboss.el9.x86_64

#### UPTIME ####
 01:34:39 up  1:37,  1 user,  load average: 1.07, 1.13, 1.27

reboot   system boot  6.11.1-1.fboss.e Tue Apr  7 23:56   still running
reboot   system boot  6.11.1-1.fboss.e Tue Apr  7 15:40 - 23:55  (08:14)

wtmp begins Tue Apr  7 15:40:51 2026