Bump dieghernan/cff-validator

Bumps [dieghernan/cff-validator](https://github.com/dieghernan/cff-validator) from 05739cf to 8398af2.
- [Release notes](https://github.com/dieghernan/cff-validator/releases)
- [Changelog](https://github.com/dieghernan/cff-validator/blob/main/CHANGELOG.md)
- [Commits](05739cf...8398af2)

---
updated-dependencies:
- dependency-name: dieghernan/cff-validator
  dependency-version: 4cb057a
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

action.yml

@@ -24,7 +24,7 @@ runs:
   using: composite
   steps:
   - name: Validate cff
-    uses: dieghernan/cff-validator/docker@05739cf16bedafd7a4d6e770286be38947f38117 # v5 - Review on release
+    uses: dieghernan/cff-validator/docker@8398af2d8cc54104c7c69af839bc1fc59c92a761 # v5 - Review on release
     with:
       cffpath: "${{ inputs.citation-path }}"
     # Report check