Update release.yml (#1523)

add shell: pwsh, so release to nuget knows which shell to use

Author: mikeebowen

.github/workflows/release.yml

@@ -61,6 +61,7 @@ jobs:
               additional-denied-words: ''
 
         - name: Publish NuGet package
+          shell: pwsh
           run: |
             foreach($file in (Get-ChildItem "${{ github.workspace }}/artifacts" -Recurse -Include *.nupkg)) {
                 dotnet nuget push $file --api-key "${{ secrets.NUGET_APIKEY }}" --source https://api.nuget.org/v3/index.json --skip-duplicate