Add tooling support for rust/cargo #2184
Merged
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For https://github.com/istio/ztunnel.
Fixes istio/ztunnel#4
This adds the rust compiler to the build tools. This brings the image from 3.5gb -> 4gb.
There were some other changes to the build order of trivy to improve the image size in general.
The alternative would be to make a new build-tools-rust adding this. However, since its only 500mb I didn't feel it was worthwhile; the proxy one is 8gb (and isn't even a superset) so it is a massive difference, for this case the overhead doesn't seem useful.