fix(tests): Force pester v4 (#4040)

Author: Ash258

test/bin/init.ps1

@@ -1,7 +1,7 @@
 Write-Host "PowerShell: $($PSVersionTable.PSVersion)"
 (7z.exe | Select-String -Pattern '7-Zip').ToString()
 Write-Host "Install dependencies ..."
-Install-Module -Repository PSGallery -Scope CurrentUser -Force -Name Pester -SkipPublisherCheck
+Install-Module -Repository PSGallery -Scope CurrentUser -Force -Name Pester -RequiredVersion 4.10.1 -SkipPublisherCheck
 Install-Module -Repository PSGallery -Scope CurrentUser -Force -Name PSScriptAnalyzer,BuildHelpers
 
 if ($env:CI_WINDOWS -eq $true) {