externals/nx_tzdb: Update download version to 2022g

Mainly for MSVC, changes the time zone database version to latest.

externals/nx_tzdb/CMakeLists.txt

@@ -27,7 +27,7 @@ if (CMAKE_SYSTEM_NAME STREQUAL "Windows" OR ANDROID)
     set(CAN_BUILD_NX_TZDB false)
 endif()
 
-set(NX_TZDB_VERSION "220816")
+set(NX_TZDB_VERSION "221202")
 set(NX_TZDB_ARCHIVE "${CMAKE_CURRENT_BINARY_DIR}/${NX_TZDB_VERSION}.zip")
 
 set(NX_TZDB_ROMFS_DIR "${CMAKE_CURRENT_BINARY_DIR}/nx_tzdb")