fix: preserve numerical precision on unary negation (#3242)

src/builtin.c

@@ -256,7 +256,7 @@ static jv f_negate(jq_state *jq, jv input) {
   if (jv_get_kind(input) != JV_KIND_NUMBER) {
     return type_error(input, "cannot be negated");
   }
-  jv ret = jv_number(-jv_number_value(input));
+  jv ret = jv_number_negate(input);
   jv_free(input);
   return ret;
 }