build(docker/frontend): upgrade nodejs version

14.7.1 -> 20.17.0, probably with a lot yet untreated breaking changes

docker/frontend/Dockerfile

@@ -13,10 +13,9 @@ RUN apt-get -y install exiftool
 RUN apt-get -y install chromium
 ENV CHROME_BIN=chromium
 
-# TODO: update/upgrade!
 # TODO: use dotenv for npm version?
 RUN npm install -g n
-RUN n 14.19.1
+RUN n 20.17.0
 
 ARG PROJECT_DIR=/fradrive
 RUN mkdir -p ${PROJECT_DIR}