Bump toolchains/riscv-tools/riscv-tests from 51de008 to fa2f65c

Bumps [toolchains/riscv-tools/riscv-tests](https://github.com/riscv-software-src/riscv-tests) from `51de008` to `fa2f65c`.
- [Commits](riscv-software-src/riscv-tests@51de008...fa2f65c)

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

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