[couchbase][changelog] Set `1.1.1` to unreleased
[couchbase][changelog] Set `1.1.1` to unreleased

StackVista/sts-agent-integrations-core,StackVista/sts-agent-integrations-core,StackVista/sts-agent-integrations-core,StackVista/sts-agent-integrations-core,StackVista/sts-agent-integrations-core