Change the postition of nupkg artifacts.

Directory.Build.props

@@ -36,5 +36,6 @@
     <Company>ppy Pty Ltd</Company>
     <Copyright>Copyright (c) 2019 ppy Pty Ltd</Copyright>
     <PackageTags>osu game</PackageTags>
+    <PackageOutputPath>$(MSBuildThisFileDirectory)artifacts\nupkg\</PackageOutputPath>
   </PropertyGroup>
 </Project>

appveyor.yml

@@ -19,7 +19,7 @@ after_build:
   - ps: dotnet format --dry-run --check
   - ps: .\InspectCode.ps1
 artifacts:
-  - path: '**\*.nupkg'
+  - path: 'artifacts\nupkg\*.nupkg'
 test:
   assemblies:
     except:

appveyor_deploy.yml

@@ -16,7 +16,7 @@ build:
   parallel: true
   verbosity: minimal
 artifacts:
-  - path: '**\*.nupkg'
+  - path: 'artifacts\nupkg\*.nupkg'
 deploy:
   - provider: Environment
     name: nuget