Bump riscv-tests from `394937e` to `7b52ba3`

Bumps [riscv-tests](https://github.com/riscv/riscv-tests) from `394937e` to `7b52ba3`.
- [Commits](https://github.com/riscv/riscv-tests/compare/394937eceb62bc4ba8ad5a4e916f0508d9803229...7b52ba3b7167acb4d8b38f4d4633112b4699cb26

)

---
updated-dependencies:
- dependency-name: riscv-tests
  dependency-type: direct:production
...

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