Resolve "Start workflow execution"

.gitlab-ci.yml

app/api/api.py

app/api/endpoints/workflow.py

app/api/endpoints/workflow_execution.py

app/api/endpoints/workflow_version.py

app/api/utils.py

app/check_ceph_connection.py

app/check_database_connection.py

app/crud/crud_bucket.py

app/crud/crud_user.py

app/crud/crud_workflow_execution.py

app/crud/crud_workflow_version.py

app/git_repository/abstract_repository.py

app/schemas/workflow_execution.py

app/tests/api/test_security.py

app/tests/api/test_workflow_execution.py

app/tests/conftest.py

app/tests/crud/test_bucket.py

app/tests/crud/test_workflow_execution.py

app/tests/crud/test_workflow_version.py