Use curl instead of wget in install-x86_64-redox.sh

Author: kennytm

src/ci/docker/dist-various-1/install-x86_64-redox.sh

@@ -3,5 +3,5 @@
 
 set -ex
 
-wget -O - https://static.redox-os.org/toolchain/x86_64-unknown-redox/relibc-install.tar.gz | \
+curl https://static.redox-os.org/toolchain/x86_64-unknown-redox/relibc-install.tar.gz | \
 tar --extract --gzip --directory /usr/local