Update dotnetcore.yml

Author: usercode

.github/workflows/dotnetcore.yml

@@ -8,7 +8,7 @@ on:
 jobs:
   ImageEffects:
 
-    runs-on: ubuntu-latest
+    runs-on: windows-latest
 
     steps:
     - uses: actions/checkout@v1
@@ -21,4 +21,4 @@ jobs:
     - name: Create the package
       run: dotnet pack --configuration Release "./src/WPF.ImageEffects.Demo.sln"
     - name: Publish "WPF.ImageEffects" to nuget
-      run: dotnet nuget push "./src/WPF.ImageEffects/bin/Release/*.nupkg" -s "https://api.nuget.org/v3/index.json" -k ${{secrets.NUGET_API_KEY}}
+      run: dotnet nuget push "./src/WPF.ImageEffects/bin/Release/*.nupkg" -s "https://api.nuget.org/v3/index.json" -k ${{secrets.NUGET_API_KEY}}