Update the build system [skip ci]

Author: cedx

tool/Publish.ps1

@@ -7,7 +7,7 @@ git tag "v$version"
 git push origin "v$version"
 
 dotnet pack --output var
-foreach ($item in Get-ChildItem "var/*.nupkg") {
+foreach ($item in Get-Item "var/*.nupkg") {
 	dotnet nuget push $item --api-key $Env:NUGET_API_KEY --source https://api.nuget.org/v3/index.json
 	dotnet nuget push $item --api-key $Env:GITHUB_TOKEN --source https://nuget.pkg.github.com/cedx/index.json
 }

tool/Version.ps1

@@ -1,6 +1,6 @@
 "Updating the version number in the sources..."
 $version = (Import-PowerShellDataFile "PhpMinifier.psd1").ModuleVersion
 (Get-Content "Setup.iss") -replace 'version "\d+(\.\d+){2}.*"', "version ""$version""" | Out-File "Setup.iss"
-foreach ($item in Get-ChildItem "*/*.csproj") {
+foreach ($item in Get-Item "*/*.csproj") {
 	(Get-Content $item) -replace "<Version>\d+(\.\d+){2}.*</Version>", "<Version>$version</Version>" | Out-File $item
 }