job/queue: ignore enum-constexpr-conversion for clang-16

introspection/enum_simple.hpp

@@ -12,6 +12,8 @@
 #include <string>
 #include <stdexcept>
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wenum-constexpr-conversion"
 
 namespace cruft::introspection {
     namespace detail {
@@ -180,3 +182,5 @@ namespace cruft::introspection {
         return detail::helper<EnumT>::to (val);
     }
 }
+
+#pragma GCC diagnostic pop