Add a few more `generic.` webhook settings for Hookshot

Ref: https://github.com/matrix-org/matrix-hookshot/pull/1004

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

@@ -181,6 +181,9 @@ matrix_hookshot_generic_urlPrefix: "{{ matrix_hookshot_urlprefix }}{{ matrix_hoo
 matrix_hookshot_generic_userIdPrefix: '_webhooks_'  # noqa var-naming
 matrix_hookshot_generic_allowJsTransformationFunctions: false  # noqa var-naming
 matrix_hookshot_generic_waitForComplete: false  # noqa var-naming
+matrix_hookshot_generic_sendExpiryNotice: false  # noqa var-naming
+matrix_hookshot_generic_requireExpiryTime: false  # noqa var-naming
+matrix_hookshot_generic_maxExpiryTime: "30d"  # noqa var-naming
 
 
 matrix_hookshot_feeds_enabled: true

roles/custom/matrix-bridge-hookshot/templates/config.yaml.j2

@@ -80,6 +80,9 @@ generic:
   userIdPrefix: {{ matrix_hookshot_generic_userIdPrefix | to_json }}
   allowJsTransformationFunctions: {{ matrix_hookshot_generic_allowJsTransformationFunctions | to_json }}
   waitForComplete: {{ matrix_hookshot_generic_waitForComplete | to_json }}
+  sendExpiryNotice: {{ matrix_hookshot_generic_sendExpiryNotice | to_json }}
+  requireExpiryTime: {{ matrix_hookshot_generic_requireExpiryTime | to_json }}
+  maxExpiryTime: {{ matrix_hookshot_generic_maxExpiryTime | to_json }}
 {% endif %}
 {% if matrix_hookshot_feeds_enabled %}
 feeds: