Re: [VOTE] Release Apace Arrow nanoarrow 0.3.0 - RC0

[Bryce Mecum]

+1 (non-binding)

Verified with `./verify-release-candidate.sh 0.3.0 0` on:
- Windows 10, x86_64, libarrow-main, MSVC 17 2022, R 4.3.1, Rtools 43
- macOS 13.6, aarch64, libarrow 13.0.0, R 4.3.1
- Ubuntu 23.04, aarch64, libarrow 13.0.0, R 4.2.2