release: neo4rs v0.9.0-rc.2 (#212)

* Set version to 0.9.0-rc.2

* Update lockfiles

* The min lockfile test runs on MSRV as well

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Co-authored-by: github-actions <github-actions@github.com>
Co-authored-by: Paul Horn <paul.horn@neo4j.com>

Author: 3 people