package/filetype: add python-filetype package for system-server

[vegano1]

Add python-filetype package for system server

Closes: RQA-2598

Test Plan

• install build on OT-2 and make sure that system-server starts up

[vegano1]

pip shows filetype package is installed

# pip list
Package               Version
--------------------- ------------
.
.
.
filetype              1.2.0

system server starts up successfully

# systemctl status opentrons-system-server
 opentrons-system-server.service - Opentrons System HTTP Server
     Loaded: loaded (/etc/systemd/system/opentrons-system-server.service; enabled; preset: enabled)
     Active: active (running) since Fri 2024-04-19 02:04:47 UTC; 4min 17s ago
   Main PID: 250 (python)
     CGroup: /system.slice/opentrons-system-server.service
             └─250 python -m system_server

Apr 19 02:04:38 opentrons systemd[1]: Starting Opentrons System HTTP Server...
Apr 19 02:04:47 d5ed59 opentrons-system-server[250]: Starting system server on 127.0.0.1:32950
Apr 19 02:04:47 d5ed59 systemd[1]: Started Opentrons System HTTP Server.
Apr 19 02:04:48 d5ed59 python[250]: INFO:     Started server process [250]
Apr 19 02:04:48 d5ed59 python[250]: INFO:     Waiting for application startup.
Apr 19 02:04:48 d5ed59 python[250]: INFO:     Application startup complete.
Apr 19 02:04:48 d5ed59 python[250]: INFO:     Uvicorn running on http://127.0.0.1:32950 (Press CTRL+C to quit)