Bump docs-resources from 1108f25 to a73e1bd

Bumps [docs-resources](https://github.com/riscv/docs-resources) from `1108f25` to `a73e1bd`.
- [Commits](riscv/docs-resources@1108f25...a73e1bd)

---
updated-dependencies:
- dependency-name: docs-resources
  dependency-version: a73e1bd9765580f0cd93d8934ac399d641dc0693
  dependency-type: direct:production
...

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Author: dependabot[bot]