add the ability to execute a debug script

[bmc-msft]

Summary of the Pull Request

What is this about?

PR Checklist

• Applies to work item: Execute commands automatically in repro VMs #38
• CLA signed. If not, go over here and sign the CLI.
• Tests added/passed
• Requires documentation to be updated
• I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #xxx

Info on Pull Request

This updates the 'onefuzz repro' commands to include --debug_script, which enables executing a command in the context of the debugger on repro vms.

Validation Steps Performed

onefuzz repro create_and_connect CONTAINER REPORT --debug_script "info reg rip"