Change iPhone Simulator version in generate_release_zip.sh
Change iPhone Simulator version in generate_release_zip.sh

This is an experiment to see if switching iphone simulator has any effects to the intermittenly replicator test fails on Jenkins server.

couchbase/couchbase-lite-ios,couchbase/couchbase-lite-ios,couchbase/couchbase-lite-ios,couchbase/couchbase-lite-ios,couchbase/couchbase-lite-ios,couchbase/couchbase-lite-ios