fix(drone): navigate to the unzip directory before starting the application

- Added a step to change the working directory to the unzip directory before executing PM2 commands for the nuxt4-demo application.
- This adjustment ensures that the application starts in the correct context, improving the reliability of the deployment process.

.drone.yml

@@ -75,6 +75,7 @@ steps:
         rm -rf "$UNZIP_DIR"
         mkdir -p "$UNZIP_DIR"
         tar -xzf "$REPO_DIR/build-output.tar.gz" -C "$UNZIP_DIR"
+      - cd "$UNZIP_DIR"
       - pm2 stop nuxt4-demo || true
       - pm2 delete nuxt4-demo || true
       - pm2 start ./run.sh --name nuxt4-demo