Moved PS requirement to PS3

Author: knom

README.md

@@ -7,6 +7,7 @@ A task for replacing REGULAR EXPRESSIONS in your files with variables and text i
 * Azure DevOps - Pipelines
 * Team Foundation Server 2015 Update 3 and higher ([How to install extensions in TFS](https://www.visualstudio.com/en-us/docs/marketplace/get-tfs-extensions))
 * **Only Windows** - sorry, this is due to the lack of Powershell support of the underlying task FX platform :-(
+* Build Agents w. Powershell 3.0 or higher
 
 ## Usage
 

RegexReplace/RegexReplace.ps1

@@ -17,9 +17,9 @@ try {
     Import-VstsLocStrings "$PSScriptRoot\task.json"
 
     # Check Powershell Version
-    if ($PSVersionTable.PSCompatibleVersions -notcontains '4.0')
+    if ($PSVersionTable.PSCompatibleVersions -notcontains '3.0')
     {
-        Write-VstsTaskError "This task requires Powershell 4.0 or later"
+        Write-VstsSetResult -Result Failed -Message "This task requires Powershell 3.0 or later"
         exit;
     }