Add secure flag to remember me cookie

app/config/security.yml

@@ -23,6 +23,7 @@ security:
                 user_providers: packagist
                 name: pauth
                 always_remember_me: true
+                secure: '%force_ssl%'
                 lifetime: 31104000 # 1y
             logout_on_user_change: true
             logout:       true