Upgrade PHP 8.0 to 8.1

[sufiaakter19]

Upgrade PHP 8.0 to 8.1
https://marketplace.digitalocean.com/apps/openlitespeed-wordpress

[E.L.]

The next release will have PHP 81 included.
FYI, for Cloud image related issue, you can raise it to https://github.com/litespeedtech/ls-cloud-image next time.