fix(bench): named Set-Content params — positional+NoNewline silently wrote nothing on PS 5.1

scripts/bench/fetch-corpus.ps1

@@ -39,6 +39,9 @@ foreach ($f in $flacs) {
     $trans = Get-ChildItem -Path $f.DirectoryName -Filter *.trans.txt | Select-Object -First 1
     $line = Get-Content $trans.FullName | Where-Object { $_.StartsWith("$name ") } | Select-Object -First 1
     if (-not $line) { throw "no reference line for $name" }
-    Set-Content -Encoding utf8 -NoNewline (Join-Path $corpus "$name.txt") $line.Substring($name.Length + 1)
+    # Named parameters on purpose: positional binding alongside -NoNewline
+    # silently wrote nothing under Windows PowerShell 5.1 (found the hard way);
+    # the WER normalizer doesn't care about a trailing newline.
+    Set-Content -Path (Join-Path $corpus "$name.txt") -Value $line.Substring($name.Length + 1) -Encoding utf8
 }
 Write-Output "staged $($flacs.Count) utterances in $corpus"