Remove unnecessary blank line from README.md for improved clarity

Author: MariusStorhaug

README.md

@@ -1,6 +1,5 @@
 # Test-PSModule
 
-
 Test PowerShell modules with Pester and PSScriptAnalyzer.
 
 This GitHub Action is a part of the [PSModule framework](https://github.com/PSModule). It is recommended to use the [Process-PSModule workflow](https://github.com/PSModule/Process-PSModule) to automate the whole process of managing the PowerShell module.