Bump kreuzwerker/docker from 3.9.0 to 4.2.0 in /infrastructure/instance#1421

Thomas-Boyle merged 3 commits intomasterNHSDigital/immunisation-fhir-api:masterfrom

dependabot/terraform/infrastructure/instance/kreuzwerker/docker-4.2.0NHSDigital/immunisation-fhir-api:dependabot/terraform/infrastructure/instance/kreuzwerker/docker-4.2.0Copy head branch name to clipboard