apache2-mod_auth_gssapi-1.6.3-3.1

- test only when test requirements are fulfilled

- version update to 1.6.3
  * add a few options to expose the mechanism used for authentication
    (when multiple are available) and to control the timeout interval
    for Basic Auth sessions
  * CI and other minor fixes, as well as a fix for gss_localname()
  * see
    https://github.com/gssapi/mod_auth_gssapi/releases
- modified patches
  % apache2-mod_auth_gssapi-test.patch (refreshed)

- version update to 1.6.1
  * lot of changes, see
    https://github.com/gssapi/mod_auth_gssapi/releases
- added patches
  python3 and other testsuite fixes
  + apache2-mod_auth_gssapi-test.patch

- removing %apache_test_* macros, do not test module just by
  loading the module

- Initial mod_gssapi-1.5 version