python315: 3.15.0a6 -> 3.15.0a7 (#498869)

        major = "3";

        minor = "15";

        patch = "0";

        suffix = "a6";

        suffix = "a7";

      };

      hash = "sha256-jipOGyr7k6hNZZ1DGx84RUSz2gCkuP9b81gPB61P+Yk=";

      hash = "sha256-j1kMQot/DUBt+Si4Vzfno6+ijt3U0UGUEOqAloftHqc=";

      inherit passthruFun;

    };