fix(lib): quote % in `nvm_prompt_info`

lib/nvm.zsh

@@ -2,5 +2,5 @@
 function nvm_prompt_info() {
   which nvm &>/dev/null || return
   local nvm_prompt=${$(nvm current)#v}
-  echo "${ZSH_THEME_NVM_PROMPT_PREFIX}${nvm_prompt}${ZSH_THEME_NVM_PROMPT_SUFFIX}"
+  echo "${ZSH_THEME_NVM_PROMPT_PREFIX}${nvm_prompt:gs/%/%%}${ZSH_THEME_NVM_PROMPT_SUFFIX}"
 }