Add changes file for 4.13.3

Change-Id: I88b845af94e16951b78c23668ba3eba07da594a7
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>

dist/changes-4.13.3.md

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+Qt Creator 4.13.3
+=================
+
+Qt Creator version 4.13.3 contains bug fixes.
+
+The most important changes are listed in this document. For a complete list of
+changes, see the Git log for the Qt Creator sources that you can check out from
+the public Git repository. For example:
+
+    git clone git://code.qt.io/qt-creator/qt-creator.git
+    git log --cherry-pick --pretty=oneline origin/v4.13.2..v4.13.3
+
+General
+-------
+
+* Updated prebuilt binaries to Qt 5.15.2 which fixes drag & drop on macOS
+
+Editing
+-------
+
+### QML
+
+* Fixed reformatting of required properties (QTCREATORBUG-24376)
+* Fixed importing without specific version for Qt 6 (QTCREATORBUG-24533)
+
+Projects
+--------
+
+* Fixed auto-scrolling of compile output window (QTCREATORBUG-24728)
+* Fixed GitHub Actions for Qt Creator plugin wizard (QTCREATORBUG-24412)
+* Fixed crash with `Manage Sessions` (QTCREATORBUG-24797)
+
+Qt Quick Designer
+-----------------
+
+* Fixed crash when opening malformed `.ui.qml` file (QTCREATORBUG-24587)
+
+Debugging
+---------
+
+### CDB
+
+* Fixed pretty printing of `std::vector` and `std::string` in release mode
+
+Analyzer
+--------
+
+### QML Profiler
+
+* Fixed crash with `Analyze Current Range` (QTCREATORBUG-24730)
+
+Platforms
+---------
+
+### Android
+
+* Fixed modified state of manifest editor when changing app icons
+  (QTCREATORBUG-24700)
+
+Credits for these changes go to:
+--------------------------------
+Alexandru Croitor  
+Christian Kandeler  
+Christian Stenger  
+David Schulz  
+Dominik Holland  
+Eike Ziller  
+Fawzi Mohamed  
+Friedemann Kleint  
+Ivan Komissarov  
+Johanna Vanhatapio  
+Leena Miettinen  
+Lukasz Ornatek  
+Robert Löhning  
+Tim Jenssen  
+Ville Voutilainen  
+Xiaofeng Wang