Fixed env vars (#28)

Author: vivet

.github/workflows/build-and-deploy.yml

@@ -51,8 +51,8 @@ jobs:
       - name: Push NuGet
         if: github.ref == 'refs/heads/master'
         run: |
-          dotnet nuget push nupkgs/$env:APP_NAME"."$env:VERSION.nupkg -s $env:NUGET_HOST -k $env:NUGET_APIKEY
-          dotnet nuget push nupkgs/$env:APP_NAME"."$env:VERSION.snupkg -s $env:NUGET_HOST -k $env:NUGET_APIKEY
+          dotnet nuget push "nupkgs/$($env:APP_NAME).$($env:VERSION).nupkg" -s "$($env:NUGET_HOST)" -k "$($env:NUGET_APIKEY)"
+          dotnet nuget push "nupkgs/$($env:APP_NAME).$($env:VERSION).snupkg" -s "$($env:NUGET_HOST)" -k "$($env:NUGET_APIKEY)"
 
       - name: GitHub Release
         if: github.ref == 'refs/heads/master'