chore: Fix code formatting according to style guideline

[johlju]

Pull Request (PR) description

This Pull Request (PR) fixes the following issues

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).
• Documentation added/updated in README.md and source/WikiSource.
• Comment-based help added/updated for all new/changed functions.
• Localization strings added/updated in all localization files as appropriate.
• Examples appropriately added/updated.
• Unit tests added/updated. See DSC Community Testing Guidelines.
• Integration tests added/updated (where applicable). See
  DSC Community Testing Guidelines.
• New/changed code adheres to DSC Community Style Guidelines.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99%. Comparing base (3891393) to head (e9190af).

Additional details and impacted files

@@        Coverage Diff         @@
##           main    #4   +/-   ##
==================================
  Coverage    99%   99%           
==================================
  Files        20    20           
  Lines       692   692           
==================================
  Hits        689   689           
  Misses        3     3           

Flag	Coverage Δ
unit	99% <100%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
source/Private/Convert-ShouldBe.ps1	100% <100%> (ø)
source/Private/Convert-ShouldBeExactly.ps1	100% <100%> (ø)
source/Private/Convert-ShouldBeFalse.ps1	100% <100%> (ø)
source/Private/Convert-ShouldBeNullOrEmpty.ps1	100% <100%> (ø)
source/Private/Convert-ShouldBeOfType.ps1	100% <100%> (ø)
source/Private/Convert-ShouldBeTrue.ps1	100% <100%> (ø)
source/Private/Convert-ShouldContain.ps1	100% <100%> (ø)
source/Private/Convert-ShouldMatch.ps1	100% <100%> (ø)
source/Private/Convert-ShouldMatchExactly.ps1	100% <100%> (ø)
source/Private/Convert-ShouldNotThrow.ps1	100% <100%> (ø)
... and 6 more