restart synapse if some file in cert chain changed

tasks/tls.yml

@@ -25,11 +25,13 @@
         - { src: "{{ matrix_tls_cert_source }}", dest: '{{ matrix_tls_cert_path }}', mode: '0650' }
       loop_control:
         label: "{{ item.dest }}"
+      notify: __matrix_restart
 
     - name: Create Diffie-Hellman Parameter
       openssl_dhparam:
         path: "{{ matrix_tls_dhparam_path }}"
         size: "{{ matrix_tls_dhparam_size }}"
       when: matrix_tls_dhparam_path is defined
+      notify: __matrix_restart
   become: True
   become_user: "{{ matrix_user }}"