Bump org.testcontainers:testcontainers from 1.21.1 to 1.21.3#318

MartinWheelerMT merged 2 commits intodevelopNHSDigital/integration-adaptor-nhais:developfrom

dependabot/gradle/org.testcontainers-testcontainers-1.21.3NHSDigital/integration-adaptor-nhais:dependabot/gradle/org.testcontainers-testcontainers-1.21.3Copy head branch name to clipboard