update version to 3.5.0-RC1

(cherry picked from commit 9ed0cf20242492a035d5270c0ad789a8b7ea7bc2)
Merge pull request #665 from mulesoft/MULE-7571

MULE-7571 - fixing queue manager dispose to not remove persistent data
(cherry picked from commit f723e62ee6a7e32d5f1b31902e2d26e49617a04e)