Bump rack from 2.2.3 to 2.2.3.1 (#2011)
Bump rack from 2.2.3 to 2.2.3.1 (#2011)

There is a possible denial of service vulnerability in the multipart parsing component of Rack. This vulnerability has been assigned the CVE identifier CVE-2022-30122.

This resolves a dependabot alert.
ministryofjustice/correspondence_tool_staff,ministryofjustice/correspondence_tool_staff,ministryofjustice/correspondence_tool_staff,ministryofjustice/correspondence_tool_staff,ministryofjustice/correspondence_tool_staff