update

Author: jswhit2

Changelog

@@ -2,7 +2,8 @@
 ===============================
  * add static type hints (PR #1302)
  * Expose nc_rc_set, nc_rc_get (via rc_set, rc_get module functions). (PR #1348)
- * Add Variable.get_fill_value (issue #1374, PR #1375).
+ * Add Variable.get_fill_value and allow `fill_value='default'` to 
+   set `_FillValue` using default fill values.  (issue #1374, PR #1375).
  * Fix NETCDF3 endian error (issue #1373, PR #1355).
 
  version 1.7.1 (tag v1.7.1rel)