Update Minimum PowerShellVersion to 5.1.0

ZertoApiWrapper.build.ps1

@@ -101,8 +101,8 @@ task CreatePsd1ForRelease CleanTemp, {
         Author            = 'Wes Carroll'
         CompanyName       = 'Zerto'
         Copyright         = '(c) {0} Wes Carroll. All rights reserved.' -f $(Get-Date -format 'yyyy')
-        Description       = 'PowerShell Core Wrapper Module for Zerto Virtual Manager API'
-        PowerShellVersion = '6.0.0'
+        Description       = 'Windows PowerShell and PowerShell Core API Wrapper Module for Zerto Virtual Manager'
+        PowerShellVersion = '5.1.0'
         ProjectUri        = 'https://github.com/wcarroll/ZertoApiWrapper'
         LicenseUri        = 'https://github.com/wcarroll/ZertoApiWrapper/blob/master/LICENSE'
         Tags              = @("Zerto", "Automation")

ZertoApiWrapper/ZertoApiWrapper.psd1

@@ -33,7 +33,7 @@
     Description       = 'PowerShell Core Wrapper Module for Zerto Virtual Manager API'
 
     # Minimum version of the PowerShell engine required by this module
-    PowerShellVersion = '6.0.0'
+    PowerShellVersion = '5.1.0'
 
     # Name of the PowerShell host required by this module
     # PowerShellHostName = ''