Update doc/changes/changes_0.19.0.md #549

Job	Run time
publish-main	0s
prep-testbed	4s
test-docker-starter	43s
test_build_test_container.py	2m 46s
test_click_api_consistency.py	27s
test_console_script.py	26s
test_docker_api_build.py	1m 28s
test_docker_api_export.py	1m 44s
test_docker_api_push.py	1m 47s
test_docker_build.py	2m 1s
test_docker_clean.py	1m 2s
test_docker_export.py	2m 15s
test_docker_load.py	3m 19s
test_docker_pull.py	2m 57s
test_docker_push.py	2m 31s
test_docker_save.py	2m 47s
test_docker_upload.py	6m 10s
test_generate_language_activation.py	1m 10s
test_install_starter_scripts.py	59s
test_language_definition.py	28s
test_push_test_container.py	3m 36s
test_run_db_test_builtin_languages.py	4m 43s
test_run_db_test_docker_credentials.py	32s
test_run_db_test_docker_db.py	5m 18s
test_run_db_test_docker_db_check_arguments.py	4m 47s
test_run_db_test_docker_db_reuse.py	4m 42s
test_run_db_test_docker_pass_through.py	6m 31s
test_run_db_test_external_db.py	7m 23s
test_security_scan.py	3m 30s
	1h 16m 6s

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