Merge pull request #2773 from gilles-peskine-arm/pr_2417-changelog

Changelog entry for test certificates update

Author: gilles-peskine-arm

ChangeLog

@@ -79,6 +79,8 @@ Bugfix
      This previously limited the maximum size of DER encoded certificates
      in mbedtls_x509write_crt_der() to 2Kb. Reported by soccerGB in #2631.
    * Fix partial zeroing in x509_get_other_name. Found and fixed by ekse, #2716.
+   * Update test certificates that were about to expire. Reported by
+     Bernhard M. Wiedemann in #2357.
 
 API Changes
    * Extend the MBEDTLS_SSL_EXPORT_KEYS to export the handshake randbytes,