Update firefly-install.sh (#2759)

Author: michelroegl-brunner

install/firefly-install.sh

@@ -84,6 +84,7 @@ cat <<EOF >/etc/apache2/sites-available/firefly.conf
 
 </VirtualHost>
 EOF
+chown www-data:www-data /opt/firefly/storage/oauth-*.key
 $STD a2enmod php8.4
 $STD a2enmod rewrite
 $STD a2ensite firefly.conf