Move boto_vpc.describe_route_table deprecation version to Oxygen (#38545)
Move boto_vpc.describe_route_table deprecation version to Oxygen (#38545)

Deprecations need 2 feature releases before we can remove them.

This deprecation notice appeared first in 2016.11, so we need to
allow a little more time to adapt to the change.
saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt