Update vectorim/element-web Docker tag to v1.11.104 (#587)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

element/docker-compose.yml

@@ -6,7 +6,7 @@ networks:
 
 services:
   element:
-    image: vectorim/element-web:v1.11.103@sha256:4740609e50efa741921b742464bfe24d3ca7822d1760214fe2bc39f1aa2d7232
+    image: vectorim/element-web:v1.11.104@sha256:3b4037e62b097307b87cb7d7b7adc590aeec4e7dc4fb3a679c72cd296c1f7495
     container_name: element
     restart: unless-stopped
     # ports: