feat: fix stdout issue

Author: manlao

etc/nodenv.d/which/auto-install.bash

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
 
 if [ "$NODENV_VERSION" != "system" ] && [ ! -d "$NODENV_ROOT/versions/$NODENV_VERSION" ]; then
-  nodenv install "$NODENV_VERSION"
+  nodenv install "$NODENV_VERSION" 1>&2
 fi