Bump tornado from 6.4.1 to 6.4.2 in /docker/sds-api/spine-directory-service/sds#641

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dependabot/pip/docker/sds-api/spine-directory-service/sds/tornado-6.4.2NHSDigital/summary-care-record-api:dependabot/pip/docker/sds-api/spine-directory-service/sds/tornado-6.4.2Copy head branch name to clipboard