[plugins/git] Updated git clone alias (#6893)

* Updated git clone alias

`git clone --recursive` has been deprecated in favor of `--recurse-submodules`.  
See: https://stackoverflow.com/questions/3796927

plugins/git/git.plugin.zsh

@@ -71,7 +71,7 @@ alias gcam='git commit -a -m'
 alias gcsm='git commit -s -m'
 alias gcb='git checkout -b'
 alias gcf='git config --list'
-alias gcl='git clone --recursive'
+alias gcl='git clone --recurse-submodules'
 alias gclean='git clean -fd'
 alias gpristine='git reset --hard && git clean -dfx'
 alias gcm='git checkout master'