docs: Updating Unsigned Scripts Info

[CesarGBkR]

Updating fix for issues running unsigned scripts

Prerequisites

• I have read and understood the contributing guide.
• The commit message follows the conventional commits guidelines.
• Tests for the changes have been added (for bug fixes / features).
• Docs have been added/updated (for bug fixes / features).

Description

🤖 Generated by Copilot at b158f7f

Improved Set-ExecutionPolicy command in installation instructions for oh-my-posh. Added -ExecutionPolicy and -Scope parameters to avoid conflicts and clarify the command.

How

🤖 Generated by Copilot at b158f7f

• Add the -ExecutionPolicy and -Scope parameters to the Set-ExecutionPolicy command in the installation instructions for Windows PowerShell (link)

[CesarGBkR]

Updating fix for issues running unsigned scripts

[JanDeDobbeleer]

@all-contributors please add @CesarGBkR for doc

This is pure magic 🪄! @holopin-bot @CesarGBkR wizard

[holopin-bot]

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[allcontributors]

@JanDeDobbeleer

I've put up a pull request to add @CesarGBkR! 🎉

[CesarGBkR]

Thank you so much for accept