[BUG] `iotedgedev monitor` fails in devcontainer

[beandrad]

Description

iotedgedev monitor fails when running it inside the devcontainer due to some issues related to the uamqp library.

One solution is to install azure-cli using pip when creating the devcontainer.

depends on: #560

Expected behavior

iotedgedev monitor to work from the devcontainer

Actual behavior

iotedgedev monitor throws an error message related to uamqp library.

Steps to Reproduce

• Start devcontainer.
• Run iotedgedev monitor.

Environment

• iotedgedev Version: v3.3.4
• Python Version: 3.6
• Pip Version:
• Development machine OS Version: Ubuntu 20.04
• IoT Edge device OS Version: Ubuntu 20.04