fix: adding correct user to imaage

Author: vitor-pina

Docker/Dockerfile

@@ -1,5 +1,7 @@
 FROM nauedu/nau-analytics-base-spark:latest
+USER root
 RUN pip install --no-cache-dir git+https://github.com/fccn/nau-analytics-utils.git@main#subdirectory=common_libs/utils
+USER 185
 # Copy your application code
 COPY src/ /opt/spark/work-dir/src/