misleading error in node-sass version check

[svewag]

IMHO the output is confusing, because the error must not be the wrong version number.
It is possible that due to something different an error occurs.

Or am I worng?

https://github.com/webpack-contrib/sass-loader/blob/2759618d2e05318ea6dc307fff0f84d1d867fff0/lib/loader.js#L32

[alexander-akait]

@svewag feel free to send PR improve output message 👍

[svewag]

Look like it is already fixed in the master which differs from v7.0.1

#562