bpo-33336, imaplib: Legalize MOVE command (GH-6569) (GH-8409)

imaplib now allows MOVE command in IMAP4.uid() (RFC 6851:
IMAP MOVE Extension) and potentially as a name of supported
method of IMAP4 object.
(cherry picked from commit caa331d492acc67d8f4edd16542cebfabbbe1e79)

Co-authored-by: Matěj Cepl <mcepl@cepl.eu>
2 files changed