chore(main): release 2.19.2 (#2712)

chore: update release-please config (#2713)

fix: update libver and add release test (#2672)

chore(main): release 2.19.1 (#2711)

fix: update phpseclib minimum version (#2709)

chore: replace old php teams with cloud-sdk-php-team (#2702)

chore(main): release 2.19.0 (#2697)

fix: upload assets release job (#2671)

chore: support firebase/php-jwt version 6.0 and 7.0 (#2696)

chore: remove unused guzzle6 check (#2694)

chore: add conventional commit lint (#2693)

docs: Updated OAuth Web Doc to be up-to-date (#2685)

chore(main): release 2.18.4 (#2689)

fix: ensure credentials can be of type FetchAuthTokenInterface (#2684)

chore: drop PHP 8.0 (#2682)