Check binary array length when applying truncate (#984)

We found an issue in apache/iceberg-python#1592

Author: Fokko

crates/iceberg/src/transform/truncate.rs

@@ -44,7 +44,11 @@ impl Truncate {
 
     #[inline]
     fn truncate_binary(s: &[u8], width: usize) -> &[u8] {
-        &s[0..width]
+        if s.len() > width {
+            &s[0..width]
+        } else {
+            s
+        }
     }
 
     #[inline]