message: fix: try simpler $env:GITHUB_PATH usage.
diff: @@ -65,7 +65,7 @@ jobs:
  shell: pwsh
  if: matrix.os == 'windows-latest'
  run: |
  - echo "$HOME\.elan\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
  + echo "$HOME\.elan\bin" >> $env:GITHUB_PATH
  - name: Setup elan toolchain on Windows
  if: matrix.os == 'windows-latest'
  shell: pwsh
  