CI / lint-and-test (pull_request) Failing after 7s
CI / security-scan (pull_request) Failing after 6s
CI / dependency-scan (pull_request) Successful in 13s
CI / docker-build-test (pull_request) Successful in 45s
CI / workflow-summary (pull_request) Successful in 4s
Use python3 instead of unavailable python3.11 packages, drop apt step that failed on runner image, and replace buildx with docker build so the test step can run the built image.