build: upgrade urlib3 to resolve CVE-2026-21441 vuln#27

stevenhsd merged 1 commit intodevelop_v05NHSDigital/data-validation-engine:develop_v05from

bugfix/gr-dep008-1017-update_urllib3_to_resolve_sec_vulnNHSDigital/data-validation-engine:bugfix/gr-dep008-1017-update_urllib3_to_resolve_sec_vulnCopy head branch name to clipboard