Bump actions/upload-artifact from 5.0.0 to 6.0.0

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/publish-report.yml

@@ -58,7 +58,7 @@ jobs:
           fi
 
       - name: Upload ${{ matrix.name }} results
-        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
         with:
           name: ${{ matrix.name }}-result
           path: ./results/${{ matrix.name }}.json

action.yml

@@ -49,13 +49,13 @@ runs:
 
     - name: Upload repository dump
       if: ${{ !cancelled() }}
-      uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
+      uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
       with:
         name: ${{ steps.tuf-conformance.outputs.NAME }}
         path: test-repositories
 
     - name: Upload conformance result
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6.0.0
       with:
         name: tuf-conformance-results
         overwrite: true