might swap with ctor and replace with parse

[github-actions]

https://github.com/dxstiny/cevlib/blob/35ec1cd997b1a2d1065d951d10a9dcb593ba421d/cevlib/types/competition.py#L33

        self._logo = dex.ensure("CompetitionLogo", str)

    @staticmethod
    # TODO might swap with ctor and replace with parse
    def buildPlain(name: Optional[str] = None,
                   gender: CompetitionGender = CompetitionGender.Unknown,
                   groupPool: Optional[str] = None,
                   leg: Optional[str] = None,