SECURITY UPDATE: DoS via unbounded request body in mod_lua
debian/patches/CVE-2022-29404-part1.patch: set
APDEFAULTLIMITREQBODY to 1GB in server/core.c, enforce
LimitRequestBody in apsetupclientblock() in
modules/http/httpfilters.c, remove redundant proxy check in
modules/proxy/modproxyhttp.c.