Bump riscv-arch-test from db2b9fd to be50e9e

Bumps [riscv-arch-test](https://github.com/riscv/riscv-arch-test) from `db2b9fd` to `be50e9e`.
- [Release notes](https://github.com/riscv/riscv-arch-test/releases)
- [Commits](riscv/riscv-arch-test@db2b9fd...be50e9e)

---
updated-dependencies:
- dependency-name: riscv-arch-test
  dependency-version: be50e9edf4d5c7a10d0c013ee64f383f80bdf1eb
  dependency-type: direct:production
...

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Author: dependabot[bot]