* Simplify source generator csproj
Apparently custom scripts are no longer necessary, so removing to make maintenance simpler (noticed this while working on yet another source generator).
* Add smoketest based on Ingvar's comment, + run smoketests on Windows
* Whoops, don't mkdtemp outside of debugging
* Make smoketest sillier
* Finish up a print statement
* Revert "Make smoketest sillier"
This reverts commit 135b05b380.
* Resolve versioning issue in a non-silly, professional way.
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Co-authored-by: James Gilles <jameshgilles@gmail.com>