qmljs: update Qml parser to parser of Qt 6.2

this is needed (among other things) for
 * null coalescing
 * shebang support

Change-Id: I1b37fd86593f143de8b39c0daf433831a8785568
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

src/libs/qmljs/qmljs.qbs

@@ -60,6 +60,7 @@ Project {
             prefix: "parser/"
             files: [
                 "qmldirparser.cpp", "qmldirparser_p.h",
+                "qmlimportresolver.cpp", "qmlimportresolver_p.h",
                 "qmljsast.cpp", "qmljsast_p.h",
                 "qmljsastfwd_p.h",
                 "qmljsastvisitor.cpp", "qmljsastvisitor_p.h",