Fixed script in /etc/profile.d for buildx

Author: nicholasdille

tools/buildx/post_install.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 echo "Make buildx the default builder on login"
-cat >"/etc/profile.d/docker-buildx-install" <<EOF
+cat >"/etc/profile.d/docker-buildx-install.sh" <<EOF
 #!/bin/bash
 cat <<< "\$(jq '. * {"aliases": {"builder": "buildx"}}' "\${HOME}/.docker/config.json")" >"\${HOME}/.docker/config.json"
 EOF