fix(argocd): typo in filename

plugins/argocd/argocd.plugin.zsh

@@ -0,0 +1,14 @@
+# Autocompletion for argocd.
+if (( ! $+commands[argocd] )); then
+  return
+fi
+
+# If the completion file doesn't exist yet, we need to autoload it and
+# bind it to `argocd`. Otherwise, compinit will have already done that.
+if [[ ! -f "$ZSH_CACHE_DIR/completions/_argocd" ]]; then
+  typeset -g -A _comps
+  autoload -Uz _argocd
+  _comps[argocd]=_argocd
+fi
+
+argocd completion zsh >| "$ZSH_CACHE_DIR/completions/_argocd" &|