Upgrade mautrix-signal (959eb7eaf9 -> de8c8d97c2)

Fixes https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/3090

Related to https://github.com/mautrix/signal/issues/422

roles/custom/matrix-bridge-mautrix-signal/defaults/main.yml

@@ -9,7 +9,7 @@ matrix_mautrix_signal_container_image_self_build_repo: "https://mau.dev/mautrix/
 matrix_mautrix_signal_container_image_self_build_branch: "{{ 'main' if matrix_mautrix_signal_version == 'latest' else matrix_mautrix_signal_version }}"
 
 # renovate: datasource=docker depName=dock.mau.dev/mautrix/signal
-matrix_mautrix_signal_version: 959eb7eaf9eb648f97b8e85d7650ea87f2639cd1
+matrix_mautrix_signal_version: de8c8d97c23dc1982686a698162b45f1f112155b
 
 # See: https://mau.dev/mautrix/signal/container_registry
 matrix_mautrix_signal_docker_image: "{{ matrix_mautrix_signal_docker_image_name_prefix }}mautrix/signal:{{ matrix_mautrix_signal_docker_image_tag }}"