Bugfixes for standings endpoints

[jolpica]

Contains 1 known different to ergast which isn't worth fixing:

• When using standings endpoints without round filter, ergast only includes the round in the DriverStandings list and not the StandingsTable. This implementation includes them in both.

e.g. for the f1/2023/driverstandings.json endpoint Ergast:

'StandingsTable': {
    'StandingsLists': [
        {
            'DriverStandings': [...],
            'round': '22',
            'season': '2023',
        },
    ],
    'season': '2023',
},

jolpica

'StandingsTable': {
    'StandingsLists': [
        {
            'DriverStandings': [...],
            'round': '22',
            'season': '2023',
        },
    ],
    'round': '22',
    'season': '2023',
},