ci!: Update docker images for v1 release (#6365)

* ci: Remove debian and rhel7 images

* include libc6-compat in all alpine images

* run all n8n docker containers as the user `node` instead of `root`

* upgrade the default version of npm bundled in all containers

* consolidate docker entrypoints

docker/images/n8n/Dockerfile

@@ -18,9 +18,10 @@ RUN set -eux; \
 	find /usr/local/lib/node_modules/n8n -type f -name "*.ts" -o -name "*.js.map" -o -name "*.vue" | xargs rm && \
 	rm -rf /root/.npm
 
-# Set a custom user to not have n8n run as root
-USER root
-WORKDIR /data
-RUN apk --no-cache add su-exec
-COPY docker-entrypoint.sh /docker-entrypoint.sh
+COPY docker/images/n8n/docker-entrypoint.sh /
+
+RUN \
+	mkdir .n8n && \
+	chown node:node .n8n
+USER node
 ENTRYPOINT ["tini", "--", "/docker-entrypoint.sh"]