`vimeo/psalm` 5.0.0-alpha1 and 5.0.0-beta1 requires PHP `^7.4 || ~8.0.0 || ~8.1.0` while `psalm/phar` of these versions requires `^7.1 || ^8.0` additionally, `psalm/phar` does not require any extensions, which `vimeo/psalm` requires.
vimeo/psalm5.0.0-alpha1 and 5.0.0-beta1 requires PHP^7.4 || ~8.0.0 || ~8.1.0while
psalm/pharof these versions requires^7.1 || ^8.0additionally,
psalm/phardoes not require any extensions, whichvimeo/psalmrequires.