Qt 6.5.0 Beta2: Freeze release content

Define the qt5.git integration + commercial add-ons from where the release will be done. All these should be from same dependency update round (https://codereview.qt-project.org/q/message:%2522Update+dependencies%2522+branch:6.4 & https://codereview.qt-project.org/q/message:%2522Update+submodules%2522+branch:6.4)

Qt5
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Qt Application Manager
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Qt Interface Framework
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Qt QML Script Compiler
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Qt VNC Server (http://ci-files02-hki.intra.qt.io/packages/jenkins/qtvncserver/6.4/)
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Remember to notify B2Qt team/ Mikko G / Samuli P about the release content.