RFR: mlbridge: use consistent conf for webrevs

[Robin Westberg]

On Tue, 18 Aug 2020 13:55:56 GMT, Erik Helin <ehelin at openjdk.org> wrote:

> Hi all,
> 
> please review this small patch that makes the configuration for the mlbridge bot use consistent spelling for the
> "webrevs" fields.
> Testing:
> - [x] `make test` on Linux x64 passes
> 
> Thanks,
> Erik

Looks good!

-------------

Marked as reviewed by rwestberg (Reviewer).

PR: https://git.openjdk.java.net/skara/pull/724