Autogen/RCC: Disable `zstd` if it is not supported
Add the --no-zstd argument for RCC when QT_FEATURE_zstd is OFF.
This causes user project builds to fail. That bug is fixed in Qt
by https://codereview.qt-project.org/c/qt/qtbase/+/537546 but for
the older versions, fix it here too.
Related Qt Bugs
- https://bugreports.qt.io/browse/QTBUG-121948
- https://bugreports.qt.io/browse/QTBUG-106466
- https://bugreports.qt.io/browse/QTBUG-101353
Fixes: #25664 (closed)
Backport: release
Topic-rename: autogen-rcc-zstd
Edited by Brad King