Bump toolchains/riscv-tools/riscv-isa-sim from 0cc5ecc to de5094a

Bumps [toolchains/riscv-tools/riscv-isa-sim](https://github.com/riscv-software-src/riscv-isa-sim) from `0cc5ecc` to `de5094a`.
- [Release notes](https://github.com/riscv-software-src/riscv-isa-sim/releases)
- [Commits](riscv-software-src/riscv-isa-sim@0cc5ecc...de5094a)

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

Signed-off-by: dependabot[bot] <[email protected]>