doc: fix `added:` date for `NODE_REPL_HISTORY`

`NODE_REPL_HISTORY` was introduced in v3.0.0
(see e.g. 6faf17cb45).

PR-URL: https://github.com/nodejs/node/pull/7775
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>

doc/api/cli.md

@@ -280,7 +280,7 @@ with small-icu support.
 
 ### `NODE_REPL_HISTORY=file`
 <!-- YAML
-added: v5.0.0
+added: v3.0.0
 -->
 
 Path to the file used to store the persistent REPL history. The default path is