ci: fix clippy warning on 1.83 (#61)

Author: davidhewitt

src/common.rs

@@ -230,7 +230,7 @@ fn invoke_scalar<I>(
             Ok(ColumnarValue::Scalar(to_scalar(v)))
         }
         ScalarValue::Union(type_id_value, union_fields, _) => {
-            let opt_json = json_from_union_scalar(type_id_value, union_fields);
+            let opt_json = json_from_union_scalar(type_id_value.as_ref(), union_fields);
             let v = jiter_find(opt_json, &JsonPath::extract_path(args)).ok();
             Ok(ColumnarValue::Scalar(to_scalar(v)))
         }

src/common_union.rs

@@ -29,14 +29,14 @@ pub(crate) fn nested_json_array(array: &ArrayRef, object_lookup: bool) -> Option
 
 /// Extract a JSON string from a `JsonUnion` scalar
 pub(crate) fn json_from_union_scalar<'a>(
-    type_id_value: &'a Option<(i8, Box<ScalarValue>)>,
+    type_id_value: Option<&'a (i8, Box<ScalarValue>)>,
     fields: &UnionFields,
 ) -> Option<&'a str> {
     if let Some((type_id, value)) = type_id_value {
-        // we only want to take teh ScalarValue string if the type_id indicates the value represents nested JSON
+        // we only want to take the ScalarValue string if the type_id indicates the value represents nested JSON
         if fields == &union_fields() && (*type_id == TYPE_ID_ARRAY || *type_id == TYPE_ID_OBJECT) {
             if let ScalarValue::Utf8(s) = value.as_ref() {
-                return s.as_ref().map(String::as_str);
+                return s.as_deref();
             }
         }
     }