refactor: Added command line util for setting up tests

[gavin-aguiar]

Description

Added pythons invoke command for setting up tests

Usage:
This file defines tasks for building Protos, webhost and extensions

To use these tasks, you can run the following commands:

1. Build protos:
   invoke -c test_setup build-protos

2. Set up the Azure Functions Web Host:
   invoke -c test_setup webhost

3. Install WebJobs extensions:
   invoke -c test_setup extensions

Fixes #

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