Update the relay chain lease to 18 in order to allow token conversion to update its rate.

lease

Executed

Origin commanded by any members of the Polkadot Fellowship (no Dan grade needed)

Origin commanded by rank 1 of the Polkadot Fellowship and with a success of 1

Origin commanded by rank 2 of the Polkadot Fellowship and with a success of 2

Origin commanded by Polkadot Fellows (3rd Dan fellows or greater)

Origin commanded by rank 4 of the Polkadot Fellowship and with a success of 4

Origin commanded by Polkadot Experts (5th Dan fellows or greater)

Origin commanded by rank 6 of the Polkadot Fellowship and with a success of 6

Origin commanded by Polkadot Masters (7th Dan fellows of greater)

Origin commanded by rank 8 of the Polkadot Fellowship and with a success of 8

Origin commanded by rank 9 of the Polkadot Fellowship and with a success of 9