convert license to SPDX

This is part of https://fedoraproject.org/wiki/Changes/SPDX_Licenses_Phase_4

mysql-connector-python.spec

@@ -13,10 +13,11 @@
 
 Name:           mysql-connector-python
 Version:        8.0.21
-Release:        14%{?dist}
+Release:        15%{?dist}
 Summary:        MySQL Connector for Python 3
 
-License:        GPLv2 with exceptions
+# Automatically converted from old format: GPLv2 with exceptions - review is highly recommended.
+License:        LicenseRef-Callaway-GPLv2-with-exceptions
 URL:            http://dev.mysql.com/doc/connector-python/en/index.html
 # Upstream has a mirror redirector for downloads, so the URL is hard to
 # represent statically.  You can get the tarball by following a link from
@@ -88,6 +89,9 @@ chmod -x examples/*py
 
 
 %changelog
+* Mon Sep 02 2024 Miroslav Suchý <msuchy@redhat.com> - 8.0.21-15
+- convert license to SPDX
+
 * Thu Jul 18 2024 Fedora Release Engineering <releng@fedoraproject.org> - 8.0.21-14
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild