Bump riscv-arch-test from db2b9fd to 297cfdc

Bumps [riscv-arch-test](https://github.com/riscv/riscv-arch-test) from `db2b9fd` to `297cfdc`.
- [Release notes](https://github.com/riscv/riscv-arch-test/releases)
- [Commits](riscv/riscv-arch-test@db2b9fd...297cfdc)

---
updated-dependencies:
- dependency-name: riscv-arch-test
  dependency-version: 297cfdcc282d4d41fb2389bb2991be5b01b4b4d0
  dependency-type: direct:production
...

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Author: dependabot[bot]