[12.x] Add `hasMorePages()` to `CursorPaginator` contract #42762

Job	Run time
PHP 8.2 - PHPUnit 10.5 - prefer-lowest - Windows	2m 32s
PHP 8.2 - PHPUnit 10.5.12 - prefer-lowest	2m 2s
PHP 8.2 - PHPUnit 10.5 - prefer-stable - Windows	2m 27s
PHP 8.2 - PHPUnit 10.5.12 - prefer-stable	2m 10s
PHP 8.2 - PHPUnit 11.0.1 - prefer-lowest - Windows	2m 32s
PHP 8.2 - PHPUnit 11.3.2 - prefer-lowest	2m 11s
PHP 8.2 - PHPUnit 11.3.2 - prefer-stable	2m 0s
PHP 8.2 - PHPUnit 11.0.1 - prefer-stable - Windows	2m 28s
PHP 8.3 - PHPUnit 10.5.12 - prefer-lowest	2m 7s
PHP 8.3 - PHPUnit 10.5 - prefer-lowest - Windows	2m 23s
PHP 8.3 - PHPUnit 10.5.12 - prefer-stable	2m 6s
PHP 8.3 - PHPUnit 10.5 - prefer-stable - Windows	2m 16s
PHP 8.3 - PHPUnit 11.3.2 - prefer-lowest	1m 55s
PHP 8.3 - PHPUnit 11.0.1 - prefer-lowest - Windows	2m 25s
PHP 8.3 - PHPUnit 11.3.2 - prefer-stable	1m 53s
PHP 8.3 - PHPUnit 11.0.1 - prefer-stable - Windows	2m 25s
PHP 8.4 - PHPUnit 10.5.12 - prefer-lowest	2m 8s
PHP 8.4 - PHPUnit 10.5 - prefer-stable - Windows	2m 19s
PHP 8.4 - PHPUnit 10.5.12 - prefer-stable	2m 12s
PHP 8.4 - PHPUnit 11.0.1 - prefer-stable - Windows	2m 24s
PHP 8.4 - PHPUnit 11.3.2 - prefer-lowest	2m 12s
PHP 8.4 - PHPUnit 11.3.2 - prefer-stable	2m 1s
	49m 8s

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