🐳 Fix arm builds

docker/images/n8n/Dockerfile

@@ -13,6 +13,7 @@ USER root
 # Install n8n and the also temporary all the packages
 # it needs to build it correctly.
 RUN apk --update add --virtual build-dependencies python3 build-base ca-certificates && \
+	npm config set python "$(which python3)" && \
 	npm_config_user=root npm install -g full-icu n8n@${N8N_VERSION} && \
 	apk del build-dependencies \
 	&& rm -rf /root /tmp/* /var/cache/apk/* && mkdir /root;