docs: add an Assisted-by mention to submitting-patches.rst

We now require disclosure of the use of coding assistants, but our core
submitting-patches document does not mention that.  Add a brief mention
with a pointer to Documentation/process/coding-assistants.rst

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <877bqtlzug.fsf@trenco.lwn.net>
This commit is contained in:
Jonathan Corbet 2026-03-30 16:25:11 -06:00
commit 6252e5c1c2