Connectors: Improve inline documentation for the Connectors API #6

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WP ${{ (inputs.wp-version \|\| 'nightly') }} / PHP ${{ matrix.php }} / ${{ ((('mariadb' == matrix.db-type) && 'MariaDB') \|\| 'MySQL') }} ${{ matrix.db-version }}${{ ((matrix.multisite && ' multisite') \|\| '') }}	0s
Build Test Matrix	0s
Failed workflow tasks	0s
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