feat(spec): add `Between` specification #251

Job	Run time
Sync meta files	8s
PHP 8.1, SF 6.4.* - highest	50s
PHP 8.2, SF 6.4.* - highest	25s
PHP 8.2, SF 7.0.* - highest	16s
PHP 8.3, SF 6.4.* - highest	36s
PHP 8.3, SF 7.0.* - highest	15s
PHP 8.1, SF * - lowest	25s
code-coverage / Code Coverage	30s
sca / Static Code Analysis	28s
composer-validate / Validate composer.json	10s
Run php-cs-fixer	23s
	4m 26s

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