- This is not strictly necessary but it's with the intent of keeping the
  CI simple: same version of everything everywhere.

Fixes #10

>= 4.08 because of Option

- Info level for the query (the parameters) (in addition of the path) of the request
- Debug level for the headers and body of the request
- Info level for start/stop of stream RPCs
- Info level for start of chunked RPCs
- Info level for status and body of 4XX/5XX status code responses
- Debug level for status and body of 2XX status code responses

Chunking answers allow for:
- lower memory footprint when serialising (dependent on the
chunked-serialisation strategy),
- yielding in between the writing of different chunks to cooperate with
other Lwt promises.

Co-authored-by: smelc <clement.hurlin@tweag.io>