fix: Replace placeholders in the CC and BCC addresses (refs #55391) - #3

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neos/composer-plugin contains a Composer plugin which is blocked by your allow-plugins config. You may add it to the list if you consider it safe. You can run "composer config --no-plugins allow-plugins.neos/composer-plugin [true|false]" to enable it (true) or disable it explicitly and suppress this exception (false) See https://getcomposer.org/allow-plugins