Run `nvm use` rather than `nvm install` on cd auto use

zsh-nvm.plugin.zsh

@@ -158,7 +158,7 @@ _zsh_nvm_auto_use() {
     local nvmrc_node_version=$(nvm version "$(cat "${nvmrc_path}")")
 
     if [ "$nvmrc_node_version" != "N/A" ] && [ "$nvmrc_node_version" != "$node_version" ]; then
-      nvm install
+      nvm use
     fi
   elif [ "$node_version" != "$(nvm version default)" ]; then
     echo "Reverting to nvm default version"