Regenerate the QCssScanner implementation

Using the lexgen tool after making it work with Qt 6 again. A lot of
changes in the resulting file, presumably because the hash implementation
is quite different in Qt 6 than it was in Qt 5, when the scanner was
generated last time.

Task-number: QTBUG-131842
Change-Id: I6e3633005f9cc0787abe3bab32790337fb7bdedb
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

util/lexgen/main.cpp

@@ -215,6 +215,8 @@ static DFA generateMachine(const Config &cfg)
 #if !defined(AUTOTEST)
 int main(int argc, char **argv)
 {
+    QHashSeed::setDeterministicGlobalSeed();
+
     QCoreApplication app(argc, argv);
     QString ruleFile;
     Config cfg;