chore(deps): update traefik:v3.7.1 docker digest to 6b9cbca

Author: renovate[bot]

src/development/stack.yml

@@ -109,7 +109,7 @@ services:
       placement:
         constraints:
         - node.role == manager
-    image: traefik:v3.7.1@sha256:09d3ef496d61fd830905fce5035c8a9505c2d3849632cffe13e5a43b34526f90
+    image: traefik:v3.7.1@sha256:6b9cbca6fac42ab0075f5437d8dc1685cfd188626d8d515839ea94f8b6271c42
     ports:
     - mode: host
       protocol: tcp