fix(shim): Don't throw if command was not found

[o-l-a-v]

Description

libexec\scoop-shim.ps1 function Get-ShimInfo should not throw if command was not found.

Motivation and Context

Closes #6206

How Has This Been Tested?

It was a small change, just adding -ErrorAction Ignore.

Checklist:

• I have read the Contributing Guide.
• I have ensured that I am targeting the develop branch.
• I have updated the documentation accordingly.
• I have updated the tests accordingly.
  • I don't know how this can be tested.
• I have added an entry in the CHANGELOG.

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📥 Commits

Reviewing files that changed from the base of the PR and between 04b7ce7 and 3e3d1a6.

📒 Files selected for processing (2)

• CHANGELOG.md (1 hunks)
• libexec/scoop-shim.ps1 (1 hunks)

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