- for https CONNECT forwarding, this was fixed at 5 seconds
which led to spurious CI test failures
- add --keepalive parameter to sws to control this
- let httpserver use 30 seconds
Closes#10898
- httpserver.pl -> http-server.pl for consistency
- add http3-server.pl to EXTRA_DIST; alphabetise for maintainability
- nghttpx proxy invocation scripts should not use getcwd
Closes#10568