Pin Traefik to 3.6.25 in the dev and production compose files

A floating 3.6 tag left a host on an older cached image that refuses
--accesslog.fields.queryparameters, so the proxy exited on start.

docker/compose.dev.yml

@@ -8,7 +8,9 @@ services:
   # on http://api.localhost / http://app.localhost via the routers in
   # compose.yml. Dashboard at http://localhost:8090.
   proxy:
-    image: traefik:3.6
+    # A patch tag, so a host holding an older cached 3.6 pulls this one. 3.6.25
+    # knows --accesslog.fields.queryparameters, which older 3.6 refuses.
+    image: traefik:3.6.25
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
     ports:

docker/compose.traefik.yml

@@ -1,6 +1,8 @@
 services:
   traefik:
-    image: traefik:3.6
+    # A patch tag, so a host holding an older cached 3.6 pulls this one. 3.6.25
+    # knows --accesslog.fields.queryparameters, which older 3.6 refuses.
+    image: traefik:3.6.25
     ports:
       # Listen on port 80, default for HTTP, necessary to redirect to HTTPS
       - 80:80