Can't execute with `backend-trtx` only. Need to run with `--runner-features backend-trtx,backend-onnx`

[theHamsta]

Just running with --runner-features backend-trtx yields the following error.

For more information about this error, try `rustc --explain E0432`.
error: could not compile `wpt-runner` (bin "wpt-runner") due to 1 previous error
  - FAIL add float32 1D tensors
  - INFO restarted runner after backend crash (2/8)
error[E0432]: unresolved import `rustnn::executors::onnx`
  --> crates/wpt-runner/src/main.rs:30:24
   |
30 | use rustnn::executors::onnx::{OnnxInput, OnnxOutputWithData, TensorData, run_onnx_with_inputs};
   |                        ^^^^ could not find `onnx` in `executors`
   |
note: found an item that was configured out