Don't assume specific token for command

Whatever auth is already in place in the GH CLI should be in use.

.github/workflows/nuget.yml

@@ -34,20 +34,18 @@ jobs:
 
       - name: ⚙ sponsors
         shell: pwsh
-        env:
-          token: ${{ secrets.GH_TOKEN || secrets.GITHUB_TOKEN }}
         run: |
           dotnet tool update -g dotnet-sponsor
           $owners = gc owners.json | convertfrom-json
           if ('${{ github.event.inputs.owner }}') {
             $owners = @('${{ github.event.inputs.owner }}')
           }
           foreach ($owner in $owners) {
-            '${{ env.token }}' | sponsor nuget --tos --exceptions --oss-only false --with-token --force --owner $owner
+            sponsor nuget --tos --exceptions --oss-only false --with-token --force --owner $owner
           }
           # global stats for all packages
           if (${{ github.event.inputs.global || '$true' }}) {
-            '${{ env.token }}' | sponsor nuget --tos --exceptions --force --with-token
+            sponsor nuget --tos --exceptions --force --with-token
           }
 
       - name: ⬆️ commit