Render release notes from temp file

Author: megahirt

.github/workflows/build-test-installer-release.yml

@@ -136,18 +136,25 @@ jobs:
             Write-Error "Expected $releaseNotesPath to exist."
             exit 1
           }
+
           $content = Get-Content $releaseNotesPath -Raw
           $date = Get-Date -Format 'd MMMM yyyy'
           $content = $content -replace '_VERSION_', $env:Version
           $content = $content -replace '_DATE_', $date
-          Set-Content $releaseNotesPath $content -Encoding UTF8
-          New-Item -ItemType Directory -Path (Split-Path $outputHtml) -Force | Out-Null
+
+          $tempFile = Join-Path $env:TEMP 'ReleaseNotes_processed.md'
+          Set-Content $tempFile $content -Encoding UTF8
+
+          $outputDir = Split-Path $outputHtml
+          New-Item -ItemType Directory -Path $outputDir -Force | Out-Null
+
           $pandoc = Get-Command pandoc -ErrorAction SilentlyContinue
           if (-not $pandoc) {
             Write-Error "pandoc.exe not found on PATH."
             exit 1
           }
-          & $pandoc.Path $releaseNotesPath -o $outputHtml --standalone
+
+          & $pandoc.Path $tempFile -o $outputHtml --standalone
 
       - name: Build installer
         run: msbuild build\SayMore.proj /t:Installer /p:Configuration=$env:Configuration /p:Version=$env:Version /m