Use Release config when parsing NuGet package metadata

Explicitly set the msbuild configuration to Release when retrieving PackageId, PackageVersion, and PackageOutputPath. This ensures metadata is consistent with the published package.

Author: harry-robinson

.github/workflows/pack-and-publish-nuget-package.yml

@@ -67,7 +67,7 @@ jobs:
         id: get-package-metadata
         working-directory: src/${{ env.PROJECT_NAME }}
         run: |
-          $packageId, $packageVersion, $packageOutputPath = dotnet msbuild -getProperty:PackageId,PackageVersion,PackageOutputPath | ConvertFrom-Json | % { $_.Properties.PackageId, $_.Properties.PackageVersion, $_.Properties.PackageOutputPath }
+          $packageId, $packageVersion, $packageOutputPath = dotnet msbuild -property:Configuration=Release -getProperty:PackageId,PackageVersion,PackageOutputPath | ConvertFrom-Json | % { $_.Properties.PackageId, $_.Properties.PackageVersion, $_.Properties.PackageOutputPath }
           if ($packageId -cne $env:PROJECT_NAME) {
             Write-Error "NuGet package id `"$packageId`" does not match expected project name `"$env:PROJECT_NAME`""
           }