New user option remote-file-name-inhibit-auto-save

New user option remote-file-name-inhibit-auto-save

* doc/misc/tramp.texi (Auto-save File Lock and Backup):
Mention remote-file-name-inhibit-auto-save.
(Frequently Asked Questions): Describe, how to suppress auto-save.

* etc/NEWS: Add remote-file-name-inhibit-auto-save.

* lisp/simple.el (remote-file-name-inhibit-auto-save): New defcustom.
(auto-save-mode): Handle it.  (Bug#62260)

* lisp/net/tramp-integration.el
(tramp-set-connection-local-variables-for-buffer): Declare.
(find-file-hook): Add `tramp-set-connection-local-variables-for-buffer'.