Bump testcontainers from 3.7.1 to 4.12.0#929

dependabot[bot] wants to merge 1 commit intomainelastic/elastic-serverless-forwarder:mainfrom

dependabot/pip/testcontainers-4.12.0elastic/elastic-serverless-forwarder:dependabot/pip/testcontainers-4.12.0Copy head branch name to clipboard