Fix issue with parameters getting empty string

[johlju]

Pull Request (PR) description

• Fix bootstrap script parameter block.

This Pull Request (PR) fixes the following issues

• Fixes Running iwr bit.ly/psresourceget | iex throws an exception #10

Task list

• Added an entry to the change log under the Unreleased section of the
  file CHANGELOG.md. Entry should say what was changed and how that
  affects users (if applicable), and reference the issue being resolved
  (if applicable).
• Resource documentation updated in the resource's README.md.
• Resource parameter descriptions updated in schema.mof.
• Comment-based help updated, including parameter descriptions.
• Localization strings updated.
• Examples updated.
• Unit tests updated. See DSC Community Testing Guidelines.
• Integration tests updated (where possible). See DSC Community Testing Guidelines.
• Code changes adheres to DSC Community Style Guidelines.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (cce3388) 93% compared to head (7c38d51) 93%.
Report is 3 commits behind head on main.

Additional details and impacted files

@@        Coverage Diff         @@
##           main   #11   +/-   ##
==================================
  Coverage    93%   93%           
==================================
  Files         2     2           
  Lines        86    87    +1     
==================================
+ Hits         80    81    +1     
  Misses        6     6           

Flag	Coverage Δ
unit	93% <100%> (+<1%)	⬆️

Files	Coverage Δ
source/Public/Start-PSResourceGetBootstrap.ps1	96% <100%> (+<1%)	⬆️