fix(converters): spell workstation right in the compose router label

The local bentopdf router matched Host(`pdf.wokstation.internal`), a hostname
that resolves to nothing. converters/k8s next to it has always had the correct
spelling, so the service is reachable in the path that actually deploys and this
one is dormant -- converters/ has no active marker, so select_manifests skips
the stack. It would only bite whoever switches the service back to Compose and
then wonders why one of the three internal routes 404s.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

converters/compose.yaml

@@ -54,7 +54,7 @@ services:
       - "traefik.http.routers.bentopdf.tls.certresolver=letsencrypt"
       - "traefik.http.routers.bentopdf.tls=true"
       # Local router
-      - "traefik.http.routers.bentopdf-local.rule=Host(`pdf.wokstation.internal`)"
+      - "traefik.http.routers.bentopdf-local.rule=Host(`pdf.workstation.internal`)"
       - "traefik.http.routers.bentopdf-local.entrypoints=websecure"
       - "traefik.http.routers.bentopdf-local.tls=true"
       # Dev router