Keep COMMIT_NUMBER local var as a msbuild parameter given that GITHUB…

…_ENV var are not seen by the step that defined the var.

It should be set a power shell var instead of a local var ( $Env:COMMIT_NUMBER = @($(git....)  or keep msbuild explicit parameter /p:COMMIT_NUMBER=$COMMIT_NUMBER

.github/workflows/Build.yml

@@ -81,8 +81,7 @@ jobs:
         $COMMIT_MESSAGE = $(git log -1 --pretty=%B)
         $LAST_COMMITTER = $(git log -1 --pretty=format:%an)
 
-        echo "COMMIT_NUMBER=$COMMIT_NUMBER" >> $env:GITHUB_ENV
-        $GetFileVersionOutput = dotnet msbuild dotnet/Directory.Build.props /t:GetFileVersionForPackage
+        $GetFileVersionOutput = dotnet msbuild dotnet/Directory.Build.props /t:GetFileVersionForPackage /p:COMMIT_NUMBER=$COMMIT_NUMBER
         "$GetFileVersionOutput" -match "(?<=FileVersion:)(.*)" > $null
         $GetFileVersionOutput = $Matches[0]
         
@@ -97,6 +96,7 @@ jobs:
         Write-Output "Packge version to be used: $NUGET_PACKAGE_VERSION"
 
         echo "NUGET_PACKAGE_VERSION=$NUGET_PACKAGE_VERSION" >> $env:GITHUB_ENV
+        echo "COMMIT_NUMBER=$COMMIT_NUMBER" >> $env:GITHUB_ENV
         echo "IsPrerelease=$IsPrerelease" >> $env:GITHUB_ENV
 
         echo "::set-output name=NUGET_PACKAGE_VERSION::$NUGET_PACKAGE_VERSION"