Update ghcr.io/matrix-construct/tuwunel Docker tag to v1.8.1

roles/custom/matrix-tuwunel/defaults/main.yml

@@ -13,7 +13,7 @@ matrix_tuwunel_enabled: true
 matrix_tuwunel_hostname: ''
 
 # renovate: datasource=docker depName=ghcr.io/matrix-construct/tuwunel
-matrix_tuwunel_version: v1.8.0
+matrix_tuwunel_version: v1.8.1
 
 matrix_tuwunel_container_image: "{{ matrix_tuwunel_container_image_registry_prefix }}matrix-construct/tuwunel:{{ matrix_tuwunel_container_image_tag }}"
 matrix_tuwunel_container_image_tag: "{{ matrix_tuwunel_version }}"