add sys.flags new fields

vm/src/stdlib/sys.rs

@@ -684,6 +684,10 @@ mod sys {
         dev_mode: bool,
         /// -X utf8
         utf8_mode: u8,
+        /// -X int_max_str_digits=number
+        int_max_str_digits: i8,
+        /// -P, `PYTHONSAFEPATH`
+        safe_path: bool,
         /// -X warn_default_encoding, PYTHONWARNDEFAULTENCODING
         warn_default_encoding: u8,
     }
@@ -707,6 +711,8 @@ mod sys {
                 isolated: settings.isolated as u8,
                 dev_mode: settings.dev_mode,
                 utf8_mode: 1,
+                int_max_str_digits: -1,
+                safe_path: false,
                 warn_default_encoding: settings.warn_default_encoding as u8,
             }
         }