Backport PHP 7.4 updates to Alpine 3.14

I see the php7 package has been reintroduced in Alpine edge as a testing package. AFAIK packages from testing can be removed at any time, so I don't want to rely on them. Could we see php7 updates backported to Alpine 3.14?

Thanks

cc @andypost

Edited Oct 21, 2022 by Paolo Barbolini

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