v1.124.0

synapse prebuilt bin for synapse_ynh

Please refer to upstream project for the change : https://github.com/element-hq/synapse/releases

Sha256sum for bullseye : 4bab07888253628c3ce8c63221ceea2fdf6a0e0e1e2a049bcbdbeac09de93ff3
Sha256sum for bookworm : c4ae873d4c6226467c160e482409e346b99ca78d3b8eeb1324932d44e7a5c079