Bump Qt version to Qt 6

Also fix usages of text stream operators.

Change-Id: I53cf87bb4bb055d56f2332d7737f205ec9560774
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/imports/scxmlstatemachine/statemachineloader.cpp b/src/imports/scxmlstatemachine/statemachineloader.cpp
index d691479..1d312a5 100644
--- a/src/imports/scxmlstatemachine/statemachineloader.cpp
+++ b/src/imports/scxmlstatemachine/statemachineloader.cpp
@@ -191,7 +191,7 @@ bool QScxmlStateMachineLoader::parse(const QUrl &source)
     } else {
         qmlWarning(this) << QStringLiteral("Something went wrong while parsing '%1':")
                          .arg(source.url())
-                      << endl;
+                      << Qt::endl;
         const auto errors = m_stateMachine->parseErrors();
         for (const QScxmlError &error : errors) {
             qmlWarning(this) << error.toString();