Bump node from 18.17.1-alpine to 18.18.0-alpine in /node-ronc-li

Bumps node from 18.17.1-alpine to 18.18.0-alpine.

---
updated-dependencies:
- dependency-name: node
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

node-ronc-li/Dockerfile

@@ -1,5 +1,5 @@
 # Get Node LTS Alpine.
-FROM node:18.17.1-alpine
+FROM node:18.18.0-alpine
 
 # Create /var/www directory.
 RUN mkdir -p /var/www