ci(playwright): install nats for embedded worker startup

.github/workflows/playwright.yml

@@ -34,6 +34,13 @@ jobs:
         sudo install -m 0755 ./weed /usr/local/bin/weed
         rm -f ./weed
         weed version
+    - name: Install NATS server binary
+      run: |
+        curl -fsSL -o /tmp/nats-server.zip \
+          https://github.com/nats-io/nats-server/releases/download/v2.12.1/nats-server-v2.12.1-linux-amd64.zip
+        unzip -j /tmp/nats-server.zip '*/nats-server' -d /tmp
+        sudo install -m 0755 /tmp/nats-server /usr/local/bin/nats-server
+        nats-server -v
     - name: Install dependencies
       run: pnpm install --frozen-lockfile
     - name: Build app and enforce bundle guard