Add Qt 6 Linux CI

The CI now has the ability to limit the passing unit test requirements
to more specific platform configurations, so the not yet working Qt 6
unit tests shouldn't block this anymore.

.gitlab-ci.yml

@@ -4,6 +4,7 @@
 include:
   - https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/linux.yml
   - https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/freebsd.yml
+  - https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/linux-qt6.yml
 
 suse_tumbleweed_qt515_reduced_featureset:
     extends: suse_tumbleweed_qt515

.kde-ci.yml

@@ -37,4 +37,4 @@ Dependencies:
 
 Options:
   use-ccache: True
-  require-passing-tests-on: [ 'Linux']
+  require-passing-tests-on: [ 'Linux/Qt5']

src/backends/drm/drm_object.h

@@ -12,6 +12,8 @@
 #include <QMap>
 #include <QVector>
 
+#include <vector>
+
 // drm
 #include <xf86drmMode.h>
 

src/core/colortransformation.h

@@ -8,10 +8,10 @@
 */
 #pragma once
 
-#include <QVector>
 #include <memory>
 #include <stdint.h>
 #include <tuple>
+#include <vector>
 
 #include "kwin_export.h"
 

src/scripting/scriptedeffect.cpp

@@ -27,6 +27,7 @@
 #include <QFile>
 #include <QQmlEngine>
 #include <QStandardPaths>
+#include <QVector>
 
 #include <optional>