Changed dsa --> rsa in zshrc.zsh-template file (#5603)

templates/zshrc.zsh-template

@@ -73,7 +73,7 @@ source $ZSH/oh-my-zsh.sh
 # export ARCHFLAGS="-arch x86_64"
 
 # ssh
-# export SSH_KEY_PATH="~/.ssh/dsa_id"
+# export SSH_KEY_PATH="~/.ssh/rsa_id"
 
 # Set personal aliases, overriding those provided by oh-my-zsh libs,
 # plugins, and themes. Aliases can be placed here, though oh-my-zsh