Merge pull request #8567 from rgacogne/ddist-bounded-chash

dnsdist: Add bounded loads to the consistent hashing policy

diff --cc pdns/dnsdist-console.cc
Simple merge

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

diff --cc pdns/dnsdist.cc
Simple merge

diff --cc pdns/dnsdist.hh
Simple merge