Fix I/O-protocol error handling in eunit

A io_request in eunit reuturns wrong value when it receive getopts or
get_geometry request.
Fix two small silent rules omissions
eldap: eldap does not support peer verification, removed {verify, 0} from ssl options
Merge branch 'nox/silent-rules-fixes/OTP-11351' into maint

* nox/silent-rules-fixes/OTP-11351:
  Fix two small silent rules omissions
Merge branch 'mururu/fix-eunit-io_request/OTP-11373' into maint

* mururu/fix-eunit-io_request/OTP-11373:
  Fix I/O-protocol error handling in eunit
Merge branch 'fredrik/eldap/do_connect_ssl_verify/OTP-11354' into maint

* fredrik/eldap/do_connect_ssl_verify/OTP-11354:
  eldap: eldap does not support peer verification, removed {verify, 0} from ssl options