fix: create telemetry-net on deploy to fix docker compose up

App services reference telemetry-net as external, but telemetry runs
on a separate VPS. Creating the network as empty on the app VPS so
docker compose up doesn't fail.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.github/workflows/deploy.yml

@@ -133,6 +133,7 @@ jobs:
 
             docker login ghcr.io -u ${{ github.actor }} -p ${{ secrets.GITHUB_TOKEN }}
             docker network create app-shared-net 2>/dev/null || true
+            docker network create telemetry-net 2>/dev/null || true
             docker compose pull
             docker compose up -d
             docker compose ps