Merge content of preventive stop criterion into type, no impact on te…

[pjeanmarie]

…sts results expected

Please check if the PR fulfills these requirements

• The commit message follows our guidelines
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

Does this PR already have an issue describing the problem?

#1084

What kind of change does this PR introduce?

What is the current behavior?

What is the new behavior (if this is a feature change)?

Does this PR introduce a breaking change or deprecate an API?

• Yes
• No

If yes, please check if the following requirements are fulfilled

• The Breaking Change or Deprecated label has been added
• The migration steps are described in the following section

What changes might users need to make in their application due to this PR? (migration steps)

    obj_fun = data[tag_by_file_type[file_type]]
    prev_secure = "preventive-stop-criterion" not in obj_fun or obj_fun["preventive-stop-criterion"] == "SECURE"
    if prev_secure and ("type" in obj_fun or "preventive-stop-criterion" in obj_fun):
        obj_fun["type"] = "SECURE_FLOW"
    elif not prev_secure and "type" not in obj_fun:
        obj_fun["type"] = "MAX_MIN_MARGIN"
    if "preventive-stop-criterion" in obj_fun:
        del obj_fun["preventive-stop-criterion"]

Other information:

[obrix]

DCO needs to be fixed