NFSv4: Update the stateid seqid in nfs_revoke_delegation()

NFSv4: Update the stateid seqid in nfs_revoke_delegation()

BugLink: https://bugs.launchpad.net/bugs/1957986
If we revoke a delegation, but the stateid's seqid is newer, then
ensure we update the seqid when marking the delegation as revoked.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
(cherry picked from commit f2d47b5502054749b278cdaf9cb9a60415cf884a)
Signed-off-by: dann frazier <dann.frazier@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>