GHA: Update actions/upload-artifact to v4

.github/workflows/ci-scripts-build.yml

@@ -139,7 +139,7 @@ jobs:
       run: python .ci/cue.py -T 20M test
     - name: Upload tapfiles Artifact
       if: ${{ always() }}
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: tapfiles ${{ matrix.name }}
         path: '**/O.*/*.tap'