change slice_bits error from ValueError to IndexError

qiskit/primitives/containers/bit_array.py

@@ -424,13 +424,13 @@ def slice_bits(self, indices: int | Sequence[int]) -> "BitArray":
             A bit array sliced along the bit axis.
 
         Raises:
-            ValueError: If there are any invalid indices of the bit axis.
+            IndexError: If there are any invalid indices of the bit axis.
         """
         if isinstance(indices, int):
             indices = (indices,)
         for index in indices:
             if index < 0 or index >= self.num_bits:
-                raise ValueError(
+                raise IndexError(
                     f"index {index} is out of bounds for the number of bits {self.num_bits}."
                 )
         # This implementation introduces a temporary 8x memory overhead due to bit