Pester_If_Code_Coverage_Under_Threshold: Correctly reports coverage percentage

[johlju]

Pull Request

Pull Request (PR) description

Fixed

• Task Pester_If_Code_Coverage_Under_Threshold
  • Now the code code coverage threshold is correctly reported using decimals.

Fixes #302

Task list

• [x] The PR represents a single logical change. i.e. Cosmetic updates should go in different PRs.
• [x] Added an entry under the Unreleased section of in the CHANGELOG.md as per format.
• [x] Local clean build passes without issue or fail tests (build.ps1 -ResolveDependency).
• [ ] Documentation added/updated in README.md.
• [ ] Comment-based help added/updated.
• [ ] Localization strings added/updated in all localization files as appropriate.
• [ ] Unit tests added/updated. See DSC Community Testing Guidelines.
• [ ] Integration tests added/updated (where possible). See DSC Community Testing Guidelines.
• [x] New/changed code adheres to DSC Community Style Guidelines.

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This change is 

[codecov[bot]]

Codecov Report

Merging #317 (b725f4c) into main (2979d6e) will not change coverage. The diff coverage is 0%.

@@         Coverage Diff         @@
##           main   #317   +/-   ##
===================================
  Coverage    29%    29%           
===================================
  Files        38     38           
  Lines      1923   1923           
===================================
  Hits        560    560           
  Misses     1363   1363           

Impacted Files	Coverage Δ
.build/tasks/Invoke-Pester.pester.build.ps1	0% <0%> (ø)