Bump actions/download-artifact in /.github/actions/checksum-validate

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4.1.2 to 4.1.8.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@eaceaf8...fa0a91b)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/actions/checksum-validate/action.yml

@@ -77,7 +77,7 @@ runs:
     # VALIDATE FILE START
     - name: Download checksum file
       if: inputs.validate == 'true'
-      uses: actions/download-artifact@eaceaf801fd36c7dee90939fad912460b18a1ffe
+      uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16
       with:
         name: "${{ github.sha }}-${{ inputs.key }}.txt"