Added verbose message to `Build-Bicep`, `Publish-Bicep` and `Restore-Bicep` showing `bicepconfig.json` in use

[StefanIvemo]

Overview/Summary

Fixes #264

Added verbose message to Build-Bicep, Publish-Bicep and Restore-Bicep showing bicepconfig.json in use

Includes changes in #272

This PR fixes/adds/changes/removes

1. Added verbose message to commands

As part of this Pull Request I have

• [x] Checked for duplicate Pull Requests
• [x] Associated it with relevant issues, for tracking and closure.
• [x] Ensured my code/branch is up-to-date with the latest changes in the main branch
• [x] Performed testing.
• [x] Verified build scripts work.
• [x] Updated relevant and associated documentation.

[bjompen]

The command Get-BicepConfig, and associated help files, are included in this pr and also #272 . In order to avoid merge conflicts it should probably be removed from this PR. Other than that, all good!