Patch version is not supported in version discovery #3714

What happened?

In OpenStack version discovery specification in the id field the format {major}.{minor}.{patch} is allowed (e.g. 2.1.5). A patch version is optional and is considered 0 if not provided. But in the actual implementation only the {major}.{minor} version format is allowed, which breaks integration with OpenStack servers that return a patch version in the list, like:

        {
            "status": "CURRENT",
            "updated": "2025-08-31T00:00:00Z",
            "id": "v2.14.1",
            "links": [
                {
                    "href": "https://<endpoint>/v2",
                    "rel": "self"
                }
            ]
        }

When that API returns such a version I get the following error:

invalid format: "v2.14.1"

Version

v2 (current)