Upgrade Hookshot (1.1.0 -> 1.2.0)

all features were actually already silently supported 🎉

upstream changelog: https://github.com/matrix-org/matrix-hookshot/releases/tag/1.2.0

roles/matrix-bridge-hookshot/defaults/main.yml

@@ -5,7 +5,7 @@
 
 matrix_hookshot_enabled: true
 
-matrix_hookshot_version: 1.1.0
+matrix_hookshot_version: 1.2.0
 matrix_hookshot_docker_image: "{{ matrix_container_global_registry_prefix }}halfshot/matrix-hookshot:{{ matrix_hookshot_version }}"
 matrix_hookshot_docker_image_force_pull: "{{ matrix_hookshot_docker_image.endswith(':latest') }}"