Fix and Update Pipeline files to latest pattern - Fixes #262

[PlagueHO]

Pull Request (PR) description

This PR updates the pipeline agents to the supported versions. It also updates pipeline files to the latest pattern.

This Pull Request (PR) fixes the following issues

• Fixes #262
• Fixes #263

Task list

• [x] Added an entry under the Unreleased section of the CHANGELOG.md. Entry should say what was changed, and how that affects users (if applicable).
• [ ] Resource documentation added/updated in the resource folder.
• [ ] Resource parameter descriptions added/updated in schema.mof and comment-based help.
• [ ] Comment-based help added/updated.
• [ ] Localization strings added/updated in all localization files as appropriate.
• [ ] Examples appropriately added/updated.
• [ ] Unit tests added/updated. See DSC Resource Testing Guidelines.
• [ ] Integration tests added/updated (where possible). See DSC Resource Testing Guidelines.
• [ ] New/changed code adheres to DSC Resource Style Guidelines and Best Practices.

@johlju - another one for you to review when you have time.

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This change is 

[codecov[bot]]

Codecov Report

Merging #266 (c78f852) into main (137a69f) will not change coverage. The diff coverage is n/a.

@@         Coverage Diff         @@
##           main   #266   +/-   ##
===================================
  Coverage    84%    84%           
===================================
  Files         7      7           
  Lines       929    929           
===================================
  Hits        786    786           
  Misses      143    143