DOC: fix stale examples/api path in user_interfaces gallery - #32404

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Unexpected input(s) 'label-automated', valid inputs are ['github-token', 'allowed-users', 'trusted-author-associations', 'scan-pull-requests', 'scan-issues', 'mode', 'comment-on-organic', 'cache-path', 'label-community-flagged', 'label-mixed', 'label-automation', 'auto-close', 'auto-close-classifications', 'message-organic', 'message-mixed', 'message-automation', 'message-community-flagged', 'honeypot', 'message-honeypot', 'message-honeypot-first-time']