Update ajbura/cinny Docker tag to v3

roles/custom/matrix-client-cinny/defaults/main.yml

@@ -7,7 +7,7 @@ matrix_client_cinny_container_image_self_build: false
 matrix_client_cinny_container_image_self_build_repo: "https://github.com/ajbura/cinny.git"
 
 # renovate: datasource=docker depName=ajbura/cinny
-matrix_client_cinny_version: v2.2.6
+matrix_client_cinny_version: v3.0.0
 matrix_client_cinny_docker_image: "{{ matrix_client_cinny_docker_image_name_prefix }}ajbura/cinny:{{ matrix_client_cinny_version }}"
 matrix_client_cinny_docker_image_name_prefix: "{{ 'localhost/' if matrix_client_cinny_container_image_self_build else matrix_container_global_registry_prefix }}"
 matrix_client_cinny_docker_image_force_pull: "{{ matrix_client_cinny_docker_image.endswith(':latest') }}"