[libc++][TZDB] Disables a failing test. (#95659)

The test fails depending on the timezone database used. Disable it for
now so it can be properly investigated later.

Author: mordante

libcxx/test/std/time/time.zone/time.zone.timezone/time.zone.members/get_info.local_time.pass.cpp

@@ -13,6 +13,9 @@
 // XFAIL: libcpp-has-no-experimental-tzdb
 // XFAIL: availability-tzdb-missing
 
+// TODO TZDB Investigate why this fails.
+// UNSUPPORTED: target={{.*}}
+
 // <chrono>
 
 // class time_zone;