Merge pull request #11051 from chbruyand/dnsdist-spoof-packet

 dnsdist: add support to spoof a full self-generated response from lua

diff --cc pdns/dnsdist-lua-actions.cc
Simple merge

diff --cc pdns/dnsdist-lua.hh
Simple merge

diff --cc pdns/dnsdist.cc
Simple merge

diff --cc pdns/dnsdistdist/dnsdist-lua-ffi-interface.h
Simple merge

diff --cc pdns/dnsdistdist/dnsdist-lua-ffi.cc
Simple merge

diff --cc pdns/dnsdistdist/docs/rules-actions.rst
Simple merge

diff --cc regression-tests.dnsdist/test_Spoofing.py
Simple merge