TestContainer doesn't get rebuild with force_rebuild set

[tkilias]

Background

• When we set force_rebuild to true, we would expect that build steps such as AnalyzeTestContainer would get rebuilt
• However, the AnalyzeTestContainer implements the is_rebuild_requested method with a simple false, it needs to check the build_config().force_rebuild config

integration-test-docker-environment/exasol_integration_test_docker_environment/lib/test_environment/analyze_test_container.py

Line 44 in f9698db

def is_rebuild_requested(self) -> bool:

Acceptance Criteria

• Check build_config().force_rebuild config in is_rebuild_requested