chore(deps): update traefik docker tag to v3.6.12

Author: renovate[bot]

src/development/stack.yml

@@ -109,7 +109,7 @@ services:
       placement:
         constraints:
         - node.role == manager
-    image: traefik:v3.6.11@sha256:acfc80650104f0194a15f73dc1648f517561bc1645391a15705332a064cfc33c
+    image: traefik:v3.6.12@sha256:171c9c3565b29f6c133f1c1b43c5d4e5853415198e9e1078c001f8702ff66aec
     ports:
     - mode: host
       protocol: tcp