allow just lat/lon and find all granules that cover that point

[eeholmes]

Idea is to get time series of points.

short_name="ECCO_L4_SSH_05DEG_DAILY_V4R4"
plan = pc.plan(
    df[['lat', 'lon']],
    data_source="earthaccess",
    source_kwargs={
        "short_name": short_name,
        "temporal": ("2024", "2024")
    }
)
plan.summary(n=2)