Riding a wave of surplus tax revenue generated largely by a finance-sector boom that won’t last forever, Gov. Kathy Hochul is continuing to spend like there’s no tomorrow. The $260 billion state budget she presented last week contains plenty for New York City, including increased child-care funding, renewed state support for cops in subways and added transit capital. Despite the much-hyped threat of federal aid cuts, the state’s core Medicaid budget will continue bursting at the seams — much of