[Crates] Only use non-yanked crate versions (ready for merge) (#9949)

* prototype fix msrv using yanked versions

* make it prettier

* deduplicate schema definition and add version info helper function

* use newest version only if it wasnt yanked

* fix variable name typo

* remove unused import

* try add new test

* satisfy linter

* don't import "describe()"

* fixup

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Co-authored-by: chris48s <git@chris-shaw.dev>