Bump actions/upload-artifact in /.github/actions/kubectl-keep-nslogs

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3.1.3 to 4.0.0.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@a8a3f3a...c7d193f)

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

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

.github/actions/kubectl-keep-nslogs/action.yml

@@ -34,7 +34,7 @@ runs:
           done
         done
     - name: upload kubernetes logs as artifact
-      uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
+      uses: actions/upload-artifact@c7d193f32edcb7bfad88892161225aeda64e9392 # v4.0.0
       with:
         name: >-
           ${{ inputs.namespace }}_logs.${{ github.run_number }}.${{ github.run_attempt }}