[Next.js] "title element received an array with more than 1 element as children."の解決方法

状況Next.js と React のアップデート後に下記の警告が発生した。 Warning: A title element received an array with more than 1 element as children. In browsers title Elements can only have Text Nodes as children. If the children being rendered output more than a single text node in aggregate the browser will display markup and comments as text in the title and hydration will likely fail and fall back to client rendering 環境ne

[nilab]

「<title>要素が受け取れるテキストノードは 1 つのようなのだが、Archive - {SITE.NAME}だとテキストノードが 1 つ以上になっているようで、その旨の警告が出ていた」