🩹 [Patch]: Update output formatting

[Marius Storhaug (MariusStorhaug)]

Description

This pull request includes changes to the scripts/main.ps1 file to ensure that all formatted outputs are converted to strings. This change improves the readability and consistency of the script's output.

The most important changes include:

• Added Out-String to the environment variables listing command to ensure the output is a string.
• Added Out-String to the GitHub event JSON and object information commands to convert the formatted list output to a string. [1] [2]
• Added Out-String to the pull request details and labels commands to convert the formatted list output to a string.
• Added Out-String to the releases listing command to ensure the output is a string.
• Added Out-String to the prereleases listing command to convert the formatted table output to a string.

Type of change

• 📖 [Docs]
• 🪲 [Fix]
• 🩹 [Patch]
• ⚠️ [Security fix]
• 🚀 [Feature]
• 🌟 [Breaking change]

Checklist

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas