Update Release notes

Author: DennisHeimbigner

.github/workflows/run_tests.yml

@@ -4,7 +4,7 @@
 
 name: Run netCDF Tests
 
-on: [pull_request,push]
+on: [pull_request]
 
 jobs:
 

RELEASE_NOTES.md

@@ -6,6 +6,7 @@ Release Notes       {#RELEASE_NOTES}
 This file contains a high-level description of this package's evolution. Releases are in reverse chronological order (most recent first). Note that, as of netcdf 4.2, the `netcdf-c++` and `netcdf-fortran` libraries have been separated into their own libraries.
 ## 4.8.1 - TBD
 
+* [Bug Fix] Fix bug in use of XGetopt when building under Mingw. See [Github #2009](https://github.com/Unidata/netcdf-c/issues/2009).
 * [Bug Fix] Fix bug in NCclosedir in dpathmgr.c. See [Github #2003](https://github.com/Unidata/netcdf-c/issues/2003).
 * [Bug Fix] Fix bug in ncdump that assumes that there is a relationship between the total number of dimensions and the max dimension id. See [Github #2004](https://github.com/Unidata/netcdf-c/issues/2004).  
 * [Bug Fix] Fix bug in JSON processing of strings with embedded quotes. See [Github #1993](https://github.com/Unidata/netcdf-c/issues/1993).