build(deps): 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](https://github.com/actions/upload-artifact/compare/v5.0.0...v6.0.0)

---
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>

.github/workflows/toolkit.yml

@@ -36,7 +36,7 @@ jobs:
           vuln-type: 'os,library'
           severity: 'CRITICAL,HIGH'
     - name: Upload a Build Artifact
-      uses: actions/upload-artifact@v5.0.0
+      uses: actions/upload-artifact@v6.0.0
       with:
         name: binaries
         path: bin/*