- remove patches for php8 support that were previously backported
- add node, go & boost to TDEP so that most tests can run (most of them pass)
- switch to pcre2
ran all tests on i386, amd64 & arm64 (thanks stsp@ for providing access)
also tested on arm64 by tb@ and riscv64 by jca@
went in an amd64 bulk build by tb@
dca1b3fa0d