Add keyword msvc-2022 to testlib blacklisting

Pick-to: 6.2 6.3 6.4
Change-Id: I04942dc9474fd2abfc341a1dd6434f7c78b6b5bd
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

src/testlib/qtestblacklist.cpp

@@ -149,8 +149,10 @@ static QSet<QByteArray> keywords()
             << "msvc-2015"
 #  elif _MSC_VER <= 1916
             << "msvc-2017"
-#  else
+#  elif _MSC_VER <= 1929
             << "msvc-2019"
+#  else
+            << "msvc-2022"
 #  endif
 #endif