pagure: let the logger send email on errors in the pagure module

Signed-off-by: Pierre-Yves Chibon <pingou@pingoured.fr>

roles/pagure/frontend/templates/pagure.cfg

@@ -280,7 +280,7 @@ LOGGING = {
     },
     'loggers': {
         'pagure': {
-            'handlers': ['console'],
+            'handlers': ['console', 'email'],
             'level': 'DEBUG',
             'propagate': True
         },
@@ -381,4 +381,4 @@ CSP_HEADERS = (
     "frame-src https://docs.stg.pagure.org;"
     "frame-ancestors https://stg.pagure.io;"
 )
-{% endif %}
+{% endif %}