Merge pull request #45662 from zenomri/wip-cond-tracing

rgw: support conditional tracing using lua script

Reviewed-by: Casey Bodley <cbodley@redhat.com>, Yuval Lifshitz <ylifshit@redhat.com>

diff --cc doc/radosgw/lua-scripting.rst
Simple merge

diff --cc src/rgw/rgw_common.h
Simple merge

diff --cc src/rgw/rgw_lua_request.cc
Simple merge

diff --cc src/rgw/rgw_op.cc
Simple merge

diff --cc src/rgw/rgw_op.h
Simple merge