New error message form libcurl 8.16.0 update

[fabricereix]

The latest libcurl update (8.16.0) introduced a new warning/error message
boolean setopt(81) got unsupported argument 2, treated as 1

This has been temporarily ignored in the pipeline in
#4404

[fabricereix]

C code to reproduce the error
#4404 (comment)

[jcamiel]

Fixed in curl with curl/curl#18547, we'll have to wait for 8.16.1