🩹 [Patch]: Clean up call to main.ps1 (#9)

## Description

This pull request includes a small change to the `action.yml` file. The
change modifies the script execution method from sourcing the script to
directly running it.

Changes in `runs:` in file `action.yml`:

* Modified the script execution method from sourcing the script (`. "${{
github.action_path }}\scripts\main.ps1"`) to directly running it (`${{
github.action_path }}\scripts\main.ps1`).

## Type of change

<!-- Use the check-boxes [x] on the options that are relevant. -->

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

## Checklist

<!-- Use the check-boxes [x] on the options that are relevant. -->

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

Author: MariusStorhaug

action.yml

@@ -29,4 +29,4 @@ runs:
         Verbose: true
         Script: |
           # Debug environment
-          . "${{ github.action_path }}\scripts\main.ps1"
+          ${{ github.action_path }}\scripts\main.ps1