Remove pwsh dependency

.gitea/workflows/ci.yml

@@ -20,12 +20,6 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Setup .NET Path
-        shell: pwsh
-        run: |
-          echo "C:\dotnet" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
-          echo "DOTNET_ROOT=C:\dotnet" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
-
       - name: Restore dependencies
         run: C:\dotnet\dotnet.exe restore