CVE-2022-28615: fix possible out-of-bounds read in apstrcmpmatch()
CVE-2022-30556: mod_lua: fix r:wsread() to not return length that point past the end
of the storage allocated for the buffer
CVE-2022-31813: mod_proxy: preserve original request headers so an upstream knows what
the original request hostname was, and so send X-Forwarded-* headers correctly