Codex DB Password update

After the recent DB password rotate, as mentioned in SlackSlack Slack is a Collaborative Group Chat Platform https://slack.com/. The WordPress community has its own Slack Channel at https://make.wordpress.org/chat/. the codex still hasn’t been updated.

See https://codex.wordpress.org/index.php?title=Special:UserLogin&returnto=Main+Page and for a non-cached error message: https://codex.wordpress.org/api.php?action=query&meta=siteinfo&siprop=general

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