Add changes file for Qt 5.11.3

+ 42a466e0c7 Qt3DWindow/Qt3DQuickWindow base custom surface format on default one
+ 9884d3bffc Replace use of qmlRegisterRevision
+ 9486a8a4b6 Complete ES 3.1 and 3.2 helpers
+ b830f43075 Document third party asset 'miramar'
+ e22971073e GLTexture: mark texture for upload when it's recreated and contains data
+ e879254613 QText2DEntity: clear glyphrun when scene changes
+ 999424908f Doc: Mark deprecated Qt 3D QML types obsolete
+ 74b8191968 QOrbitCameraController: make zoom work when pressing shift key
+ 565a89ac43 Scene3D crashing on destruction
+ 6eb906bf57 Use GLSL texture() instead of texture2D() on ES3
+ dbaf2319da ES3 deprecated gl_FragColor, use output variable instead
+ c8e95f8409 Add metalRoughFunction to ES3
+ d05d2fd3d2 Fix QMorphPhongMaterial
+ 9b51fea01c Remove unused CameraController.qml from simple-qml example
+ c19036f848 QChangeArbiter: fix leak
+ ff07ec93db Fix leak with VAOManager
+ 08f979f96f Further complete missing functions on ES3 helpers
+ c82d0c81aa Fix compilation with -qt3d-profile-jobs on Android
+ d8789d8fd1 Fix normal calculation in MorphPhongMaterial
+ f575334691 Fix notifications for QClipAnimator::clip property
+ 3314694004 Fix crash due to racecondition in renderer on shutdown
+ fd9f66d17d GLTexture: do not set layers when target is Texture3D
+ 726be38f77 Renderer::doRender scene3dBlocking fixes
+ d4835713b8 Bump version

Change-Id: I17633ccd3c52332eb0c45683e78b40592682ec89
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>

dist/changes-5.11.3

@@ -0,0 +1,20 @@
+Qt 5.11.3 is a bug-fix release. It maintains both forward and backward
+compatibility (source and binary) with Qt 5.11.0 through 5.11.2.
+
+For more details, refer to the online documentation included in this
+distribution. The documentation is also available online:
+
+http://doc.qt.io/qt-5/index.html
+
+The Qt version 5.11 series is binary compatible with the 5.10.x series.
+Applications compiled for 5.10 will continue to run with 5.11.
+
+Some of the changes listed in this file include issue tracking numbers
+corresponding to tasks in the Qt Bug Tracker:
+
+https://bugreports.qt.io/
+
+Each of these identifiers can be entered in the bug tracker to obtain more
+information about a particular change.
+
+ - This release contains only minor code improvements.