Use a java 21 docker image

Merge pull request #4 from turo/llosimura-patch-1

fix: use the JDK temurin image

Remove unneeded dependencies

Update Dockerfile

remove setuptools and importlib

Add missing dependency

v.1.5.3_turo

chore: add missing dependencies

Upgrade Dockerfile Base Image

GHA had issues related to Python, possibly due to old ubuntu.

• replace ubuntu with LTS debian (buster as of writing)
• use slim variant to reduce footprint

Dockerized version of google-java-format

fixes OSError: [Errno 18] Invalid cross-device link

- Fixes when running inside docker containers