windows: Don't log crypto/x509: system root pool warning
On Windows runners, the error message is always displayed for a job:
crypto/x509: system root pool is not available on Windows
Since x509.SystemCertPool
doesn't work on Windows, don't log a
warning.
References:
- https://github.com/golang/go/issues/16736
- https://github.com/golang/go/issues/18609
- !865 (diffs, comment 66406735)
Closes #3035 (closed)
Edited by Stan Hu