New dependency on rust in akonadi-search

[Sune Vuorela]

On 2023-05-17, Carl Schwan <carl at carlschwan.eu> wrote:
> Ideally we would run cargo vendor at packaging time and put the content in the tarball. I will look at the release script to see how I can do that.

Then we would have to unvendor anyways.

/Sune