qlocale: Fix some flags not being exposed to the metatype system

This caused it to be unavailable in metatypes and thus to not work in
qml.

Change-Id: I22b6fa3b43fe609bdc1167dc081290eb93845491
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

src/corelib/text/qlocale.h

@@ -867,6 +867,7 @@ public:
         RejectTrailingZeroesAfterDot = 0x20
     };
     Q_DECLARE_FLAGS(NumberOptions, NumberOption)
+    Q_FLAG(NumberOption)
 
     enum FloatingPointPrecisionOption {
         FloatingPointShortest = -128
@@ -1063,6 +1064,7 @@ public:
         AnyLanguageCode = -1
     };
     Q_DECLARE_FLAGS(LanguageCodeTypes, LanguageCodeType)
+    Q_FLAG(LanguageCodeType)
 
 #if QT_CORE_REMOVED_SINCE(6, 3)
     static QString languageToCode(Language language);