Update bitset.rs

Co-authored-by: Micha Reiser <micha@reiser.io>

crates/red_knot_python_semantic/src/semantic_index/use_def/bitset.rs

@@ -108,8 +108,8 @@ impl<const B: usize> BitSet<B> {
             self.resize_blocks(max_len);
         }
         let other_blocks = other.blocks();
-        for (i, my_block) in self.blocks_mut().iter_mut().enumerate() {
-            *my_block |= other_blocks.get(i).unwrap_or(&0);
+        for (my_block, other_block) in self.blocks_mut().iter_mut().zip(other_blocks) {
+            *my_block |= other_block
         }
     }