Miscellaneous updates.

Directory.Packages.props

@@ -3,14 +3,14 @@
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageVersion Include="NUnit" Version="4.0.1" />
     <PackageVersion Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageVersion Include="XmlDocMarkdown.Core" Version="2.9.0" />
   </ItemGroup>
   <ItemGroup>
     <GlobalPackageReference Include="Faithlife.Analyzers" Version="1.4.0" />
-    <GlobalPackageReference Include="NUnit.Analyzers" Version="3.10.0" />
-    <GlobalPackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.507" />
+    <GlobalPackageReference Include="NUnit.Analyzers" Version="4.0.1" />
+    <GlobalPackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.556" />
   </ItemGroup>
 </Project>

build.ps1

@@ -2,14 +2,9 @@
 $ErrorActionPreference = 'Stop'
 Push-Location $PSScriptRoot
 try {
-  if (-not (Test-Path ./tools/bin/Build) -or
-      (Get-ChildItem ./tools/Build/* | Measure-Object LastWriteTime -Maximum).Maximum -gt
-      (Get-ChildItem ./tools/bin/Build/* | Measure-Object LastWriteTime -Maximum).Maximum) {
-    if (Test-Path ./tools/bin/Build) { Remove-Item ./tools/bin/Build -Recurse }
-    dotnet publish ./tools/Build/Build.csproj --output ./tools/bin/Build --nologo --verbosity quiet
-    if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
-  }
-  dotnet ./tools/bin/Build/Build.dll $args
+  dotnet publish ./tools/Build/Build.csproj --artifacts-path ./artifacts --nologo --verbosity quiet
+  if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
+  dotnet ./artifacts/publish/Build/release/Build.dll $args
   if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
 }
 finally {