zend_hash_check_size: allow nSize <= HT_MAX_SIZE #10244
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zend_hash_check_size() restricts the nSize parameter to be strictly less than HT_MAX_SIZE, which makes the name of the HT_MAX_SIZE macro slightly confusing.
In this PR I change zend_hash_check_size() so that it allows nSize values <= HT_MAX_SIZE instead of strictly < HT_MAX_SIZE.
This does not actually extend the maximum hash size, as it was already possible to create hashes with a size of HT_MAX_SIZE:
HT_MAX_SIZEfor nSize values in the range]HT_MAX_SIZE/2...HT_MAX_SIZE[I found this while testing #10149. Also related: #10242.