chore(deps): update hif1/heisenbridge docker tag to v1.15.4

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

@@ -19,7 +19,7 @@ matrix_heisenbridge_hostname: "{{ matrix_server_fqn_matrix }}"
 matrix_heisenbridge_path_prefix: "/heisenbridge"
 
 # renovate: datasource=docker depName=hif1/heisenbridge
-matrix_heisenbridge_version: 1.15.3
+matrix_heisenbridge_version: 1.15.4
 matrix_heisenbridge_docker_image: "{{ matrix_heisenbridge_docker_image_registry_prefix }}hif1/heisenbridge:{{ matrix_heisenbridge_version }}"
 matrix_heisenbridge_docker_image_registry_prefix: "{{ matrix_heisenbridge_docker_image_registry_prefix_upstream }}"
 matrix_heisenbridge_docker_image_registry_prefix_upstream: "{{ matrix_heisenbridge_docker_image_registry_prefix_upstream_default }}"