utils.pwsh: Fix conditional expression

[RytoEX]

Description

Fix a conditional expression in utils.pwsh/Setup-Host.ps1.

Motivation and Context

Fixes #307.

How Has This Been Tested?

Tested locally in PowerShell with simple if statements.

if ( $false && $false ) { echo "true" }

Outputs true.

if ( $false -and $false ) { echo "true" }

Does not output anything.

Types of changes

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• My code has been run through clang-format.
• I have read the contributing document.
• My code is not on the master branch.
• The code has been tested.
• All commit messages are properly formatted and commits squashed where appropriate.
• I have included updates to all appropriate documentation.

[RytoEX]

After the initial CI failures, I noticed that this was a bit more nuanced than a simple replacement. The intent seems to be to skip Install-Dependencies if either -SkipAll or -SkipDeps is specified. Update the conditional logic to reflect that, and add debug logging to the else branch to verify.