QQmlSA: mark module as TP

Pick-to: 6.6
Change-Id: I22ed887ff1ee146f1cf14f75cb986658f9dad079
Reviewed-by: Olivier De Cannière <olivier.decanniere@qt.io>
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

src/qmlcompiler/qqmlsa.cpp

@@ -30,6 +30,8 @@ static_assert(QQmlJSScope::sizeofQQmlSAElement() == sizeof(Element));
     \inmodule QtQmlCompiler
 
     \brief Provides tools for static analysis on QML programs.
+
+    \modulestate Technical Preview
  */
 
 /*!