Support for SSL options in 5.x

[Nodge]

Please backport this commit to 5.x branch to support SSL options. For example:

ssl : {
    ca: fs.readFileSync('my.crt', 'utf-8')
}

It works fine few days ago. I've found this commit breaks SSL options but it almost 2 months old... Maybe v5.2.0 was not published? I've found in my CI logs for 10 Aug the version installed was [email protected]