Bump riscv-gnu-toolchain from `65056bd` to `f0b0094`

Bumps [riscv-gnu-toolchain](https://github.com/riscv/riscv-gnu-toolchain) from `65056bd` to `f0b0094`.
- [Release notes](https://github.com/riscv/riscv-gnu-toolchain/releases)
- [Commits](https://github.com/riscv/riscv-gnu-toolchain/compare/65056bdb149c87db4e7223c4e8b5466cf326ff86...f0b00941ec640bfdbe31304820892fe9d490f9bb

)

---
updated-dependencies:
- dependency-name: riscv-gnu-toolchain
  dependency-type: direct:production
...

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