netlink: specs: add uint, sint to netlink-raw schema

Add uint, sint to the list of attr types in the netlink-raw schema. This
fixes the rt_link spec which had a uint attr added in commit
f858cc9e ("net: add IFLA_MAX_PACING_OFFLOAD_HORIZON device attribute")

Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20241213110827.32250-1-donald.hunter@gmail.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>