Add node18 version (lts)

Summary

This PR implements :

Test plan (required)

docker run --rm -it thecodingmachine/php:8.1-v4-cli-node18 node -v

Should return v18

Checklist

[x] I followed the guidelines in CONTRIBUTING guide
[x] I have squashed any insignificant commits
[x] This change has comments for package types, values, functions, and non-obvious lines of code

thecodingmachine / docker-images-php