Raise default timeout value for matrix-corporal

This is in line with what the recommendation is for matrix-corporal.

A value higher than 30 seconds is required to satisfy Riot
(and other clients') default long-polling behavior.

roles/matrix-server/defaults/main.yml

@@ -290,7 +290,7 @@ matrix_corporal_config_dir_path: "{{ matrix_corporal_base_path }}/config"
 matrix_corporal_cache_dir_path: "{{ matrix_corporal_base_path }}/cache"
 matrix_corporal_var_dir_path: "{{ matrix_corporal_base_path }}/var"
 
-matrix_corporal_matrix_timeout_milliseconds: 30000
+matrix_corporal_matrix_timeout_milliseconds: 45000
 
 matrix_corporal_reconciliation_retry_interval_milliseconds: 30000
 matrix_corporal_reconciliation_user_id_local_part: "matrix-corporal"