Merge branch 'netlink-specs-fix-all-the-yamllint-errors'

Donald Hunter says:

====================
netlink: specs: fix all the yamllint errors

yamllint reported ~500 errors and warnings in the netlink specs. Fix all
the reported issues.

Link: https://lore.kernel.org/netdev/m2tt4tt3wv.fsf@gmail.com/
====================

Link: https://patch.msgid.link/20250610125944.85265-1-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>