chore(deps): bump node in /tests/apps/dockerfile-procfile-bad
chore(deps): bump node in /tests/apps/dockerfile-procfile-bad

Bumps node from 4-alpine to 18-alpine.

---
updated-dependencies:
- dependency-name: node
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
dokku/dokku,dokku/dokku,dokku/dokku,dokku/dokku,dokku/dokku,dokku/dokku,dokku/dokku,dokku/dokku