Release 4.5.4 w/ TinyUSB Serial Fixes (For Real This Time)

First release based on upstream, with TinyUSB submodule replaced that incorporates the workaround for Serial-related deadlocks.

TinyUSB module was implicitly updated to 3.5.0 from 3.4.4.

Used primarily for OpenFIRE Firmware.

Global JSON

This release will contain the updated package.json files as they are created