Update actions/checkout action to v4.3.0#12

renovate[bot] wants to merge 1 commit intomainphp-api-clients/openapi-client-utils:mainfrom

renovate/update-github-tags-actions-checkout-v4-3-0php-api-clients/openapi-client-utils:renovate/update-github-tags-actions-checkout-v4-3-0Copy head branch name to clipboard