Ok is 1.1 now

Merge pull request #24 from ahrefs/louis/ocaml5

ci: check ocaml 5

Pid: cache getpid

otherwise too expensive in tight loop
obv downside is need to call Pid.update manually after fork
or use Nix.fork which takes care of that

logstash: add start time and uptime in lifetime events

Web: + htmldecode_relaxed

Lwt_util: fix runaway promise in ensure_order

Makefile: + archive target

web: fix POST without body with libcurl 7.66.0+

dune is not build dep because reasons