fixes to curl commands

docker/netdisco-backend/Dockerfile

@@ -6,9 +6,9 @@ LABEL org.netdisco.maintainer="The Netdisco Project"
 LABEL org.netdisco.version=${TAG}
 
 WORKDIR $NETDISCO_HOME/netdisco-mibs
-RUN curl -s https://api.github.com/repos/netdisco/netdisco-mibs/tags | \
+RUN curl -sL https://api.github.com/repos/netdisco/netdisco-mibs/tags | \
   jq '.[]|.tarball_url|select(test("tarball/\\d+\\.\\d+$"))' | \
-  sort -rg | head -n1 | xargs -n1 curl -L | tar --strip-components=1 -zxf -
+  sort -rg | head -n1 | xargs -n1 curl -sL | tar --strip-components=1 -zxf -
 
 WORKDIR $NETDISCO_HOME
 ENTRYPOINT ["/home/netdisco/bin/netdisco-backend"]