Bump actions/download-artifact (#132)

Bumps the github_actions group with 1 update in the /.github/workflows directory: [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `actions/download-artifact` from 3 to 4.1.7
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](https://github.com/actions/download-artifact/compare/v3...v4.1.7)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
  dependency-group: github_actions
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/kernelctf-release-build.yaml

@@ -54,7 +54,7 @@ jobs:
     needs: build
     steps:
       - name: Download exploit
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4.1.7
         with:
           name: ${{inputs.releaseId}}
           path: ./kernelctf/releases/${{inputs.releaseId}}

.github/workflows/kernelctf-submission-verification.yaml

@@ -138,7 +138,7 @@ jobs:
           sudo udevadm trigger --name-match=kvm
 
       - name: Download exploit
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4.1.7
         with:
           name: exploit_${{ env.RELEASE_ID }}
           path: ./kernelctf/repro/exp/
@@ -232,7 +232,7 @@ jobs:
     if: always() && needs.structure_check.result == 'success'
     steps:
       - name: Download artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4.1.7
         with:
           path: ./artifacts