Release D 2.084.1

[Radu]

On Monday, 11 February 2019 at 02:25:43 UTC, evilrat wrote:
> On Sunday, 10 February 2019 at 19:21:10 UTC, Martin Nowak wrote:
>> Glad to announce D 2.084.1, ♥ to the 6 contributors.
>>
>
> For some reason Windows installer is not signed, UAC shows this 
> warning screen and there is no publisher specified.

https://issues.dlang.org/show_bug.cgi?id=19670

Probably this needs a test after building the installer, so that 
it verifies the correct signature is present in the build 
artifact.