add ispin to lobster tightstatitsetgenerator

Author: esoteric-ephemera

src/atomate2/vasp/sets/core.py

@@ -691,6 +691,7 @@ def incar_updates(self) -> dict[str, Any]:
         base_incar_updates = super().incar_updates
         base_incar_updates.update(
             EDIFF=1e-7,
+            ISPIN=1,
             LAECHG=False,
             LREAL=False,
             LVTOT=False,