Add missing CMakeLists.txt from root folder to source upload

Fixes #3190

.ci/scripts/windows/upload.ps1

@@ -39,6 +39,7 @@ mkdir "artifacts"
 # Build a tar.xz for the source of the release
 Copy-Item .\license.txt -Destination $MSVC_SOURCE
 Copy-Item .\README.md -Destination $MSVC_SOURCE
+Copy-Item .\CMakeLists.txt -Destination $MSVC_SOURCE
 Copy-Item .\src -Recurse -Destination $MSVC_SOURCE
 Copy-Item .\externals -Recurse -Destination $MSVC_SOURCE
 Copy-Item .\dist -Recurse -Destination $MSVC_SOURCE
@@ -60,4 +61,4 @@ Get-ChildItem "$BUILD_DIR" -Recurse -Filter "QtWebEngineProcess*.exe" | Copy-Ite
 
 Get-ChildItem . -Filter "*.zip" | Copy-Item -destination "artifacts"
 Get-ChildItem . -Filter "*.7z" | Copy-Item -destination "artifacts"
-Get-ChildItem . -Filter "*.tar.xz" | Copy-Item -destination "artifacts"
+Get-ChildItem . -Filter "*.tar.xz" | Copy-Item -destination "artifacts"