Bump docs-resources from 1456c0d to a76dd1d

Bumps [docs-resources](https://github.com/riscv/docs-resources) from `1456c0d` to `a76dd1d`.
- [Commits](riscv/docs-resources@1456c0d...a76dd1d)

---
updated-dependencies:
- dependency-name: docs-resources
  dependency-type: direct:production
...

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