Require EXO version 3.9.0

Author: gaelcolas

src/powershell/Initialize-Dependencies.ps1

@@ -99,7 +99,7 @@ function Initialize-Dependencies {
     [Microsoft.PowerShell.Commands.ModuleSpecification[]]$requiredModules = $moduleManifest.RequiredModules
     [Microsoft.PowerShell.Commands.ModuleSpecification[]]$externalModuleDependencies = $moduleManifest.PrivateData.ExternalModuleDependencies
     [Microsoft.PowerShell.Commands.ModuleSpecification[]]$windowsPowerShellRequiredModules = @(
-        @{ModuleName = 'ExchangeOnlineManagement'; GUID = 'b5eced50-afa4-455b-847a-d8fb64140a22'; ModuleVersion = '3.9.2'; },     # Works on PS7
+        @{ModuleName = 'ExchangeOnlineManagement'; GUID = 'b5eced50-afa4-455b-847a-d8fb64140a22'; RequiredVersion = '3.9.0'; },     # Works on PS7
         @{ModuleName = 'Microsoft.Online.SharePoint.PowerShell'; GUID = 'adedde5f-e77b-4682-ab3d-a4cb4ff79b83'; ModuleVersion = '16.0.26914.12004'; },
         @{ModuleName = 'AipService'; GUID = 'e338ccc0-3333-4479-87fe-66382d33782d'; ModuleVersion = '3.0.0.1'; }
     ) #TODO: This needs a fix in the build process.