Remove buildx from docker command causes issues with docker 20.10.5

[dagardner-nv]

On my system using docker buildx build gives this error:

$ ./docker/build_container_dev.sh 
Building morpheus:...
   FROM_IMAGE      : gpuci/miniforge-cuda
   CUDA_VER        : 11.5
   LINUX_DISTRO    : ubuntu
   LINUX_VER       : 20.04
   RAPIDS_VER      : 22.04
   PYTHON_VER      : 3.8
   TENSORRT_VERSION: 8.2.1.3

   COMMAND: docker buildx build -t morpheus:dev-221025 --target development --build-arg FROM_IMAGE=gpuci/miniforge-cuda --build-arg CUDA_VER=11.5 --build-arg LINUX_DISTRO=ubuntu --build-arg LINUX_VER=20.04 --build-arg RAPIDS_VER=22.04 --build-arg PYTHON_VER=3.8 --build-arg TENSORRT_VERSION=8.2.1.3 --network=host  -f docker/Dockerfile .
   Note: add '--progress plain' to DOCKER_ARGS to show all container build output
unknown shorthand flag: 't' in -t
See 'docker --help'.

Usage:  docker [OPTIONS] COMMAND
...

[mdemoret-nv]

Tested locally with 20.10.18 with no issues.

[mdemoret-nv]

/rerun tests

[mdemoret-nv]

@gpucibot merge